The Future Hospitality Trends Tourism Essay Essays

The Future Hospitality Trends Tourism Essay Essays The Future Hospitality Trends Tourism Essay Essay The Future Hospitality Trends Tourism Essay Essay The cordial reception industry is one of the most of import industries globally since it generates one million millions of dollars across the world.This industry is big and it indirectly and straight employs staff in different professions including hotel industry, touristry industry, air travel industry and other industries. The cordial reception industry chiefly relies on disposable income of clients and presence of leisure clip since many services in this industry are enjoyed during leisure clip ( Beaver, 2002 ) . This industry is an of import gross earner in different economic systems particularly those which rely on touristry as a major beginning of authorities gross. However, the cordial reception industry is a really sensitive industry which thrives on economic and political stableness of assorted finishs and economic systems. Political and economic instability has a direct inauspicious consequence on this industry and may take to drastic gross losingss by such economic systems ( Clifford, 2008 ) . It is hence of import to analyse this industry in relation to available chances and present menaces in order to foretell future tendencies. This paper will measure the hereafter trends in the cordial reception industry. The available chances and present menaces will be used to determine these tendencies. The paper will concentrate on both a planetary attack and an attack from the United States concern environment. Recommendations on what should be done to better the hereafter of the cordial reception industry will besides be given. The discussed issues will be summarized at the terminal. Future tendencies Short term diminution of industry due to economic crunch The cordial reception industry is one of the most affected industries every bit far as the planetary economic crunch is involved. This industry relies on disposable incomes of households and due to the effects of the crunch ; people are no longer able to afford vacations and leisure activities. Almost all states experienced inauspicious effects of the crunch and the touristry industry was one of the most affected. For case, touristry in Europe declined by over 5 % over the past three old ages, due to effects of the fiscal crisis ( Theobald, 2008 ) . In the US, the industry declined by 3 % in footings tourist reachings. Worldwide, the touristry industry declined by an norm of 4 % over a similar period, which translated to 880 million tourers ( John, 2010 ) . Although many economic systems are fighting to cut down the effects of the crisis, the cordial reception industry will be among the last to bask the benefits of monolithic fiscal injections to economic systems by authoritiess. Thi s is because services in the cordial reception industry are considered luxuries by many families and luxuries are the concluding demands satisfied by rational existences after all other demands are exhausted. Long term growing due to monolithic investings In the long tally, the cordial reception industry is expected to turn mostly due to the massive investings which are being undertaken around the universe. One of the finishs where there is heavy investing in the industry is the Middle East and specifically Dubai. Billions of dollars have been invested in Dubai with the intent of developing substructure needed to do it a universe category finish. Investing in hotels, belongingss, golf classs, conveyance, edifices, cultural museums and other tourer attractive forces have been realized in recent old ages. This includes the worldaa‚Â ¬a„?s tallest edifice and a seven star hotel ( Conrad A ; Alison, 2009 ) . Other authoritiess which rely on touristry as an industry for gross aggregation have besides made monolithic investings. This shows that in the long tally, consumers will hold a larger assortment of leisure activities to take from, which will promote the growing of the cordial reception industry. Execution of entire quality direction There has been a gradual betterment of service proviso in the cordial reception industry due to the execution of entire quality direction. This scheme involves betterment of the quality of services provided to increase efficiency, cut down costs and run into the demands of all stakeholders in the industry. The Malcolm Baldridge Awards introduced in recent old ages has helped better quality of service in this industry since it targets entire choice direction of houses in the industry ( Christine, 2006 ) . The Ritz Carlton hotel was one of the first to win the award, and to put new criterions in proviso of service in the hotel industry. Many houses in the cordial reception industry have recognized the importance of bettering service proviso due to intense competition and market consciousness of merchandises offered. The betterment of service proviso is likely to promote the growing of the industry in the long tally. Potential menaces and chances There are assorted chances which can be exploited in the cordial reception industry. There are besides assorted menaces to this industry and these should be mitigated to guarantee the industry is successful in the long tally. These chances and menaces will be discussed below ; Opportunities The major chance in the cordial reception industry is investing in substructure needed to fuel the growing of the industry and aim new and emerging markets. It has been discussed that many authoritiess and private house are puting in the industry particularly in the Middle East. It is of import to promote consumers to demand such services if the effects of the planetary economic crunch are to be mitigated. This can be done through supplying markets with unique services which were antecedently non offered and decrease of merchandise monetary values to promote local touristry in different states ( Jacques, 2000 ) . Local touristry has a really big potency in many finishs, although it is underexploited in most instances. Packages which encourage local touristry should be developed and services which meet local demands made available in order to enable long term growing of the industry. Menaces Global economic crisis One of the greatest menaces to the hereafter of the cordial reception industry is the planetary economic crunch. The planetary economic crisis has led to decrease of the growing and development degrees of most economic systems. This crisis has besides led to massive unemployment and decrease of the disposable income of many households ( Lennon A ; Malcolm, 2008 ) . It was antecedently discussed that the cordial reception industry thrives on disposable income of clients and presence of leisure clip. The planetary economic crunch has reduced the disposable income of households. It has besides led to decrease in leisure clip since many employees strive to work for longer hours in order to gain higher wages which can extenuate effects of the crisis. The decrease of incomes and leisure clip has led to a lessening in purchase of services in the cordial reception industry by consumers. Fewer people are able to go for leisure or have repasts at eating houses and hotels since they consider t hese services to be luxuries. Unless equal stairss are taken to cut down the effects of the planetary crunch, many houses in the cordial reception industry may confront losingss in the long tally. Deductions of the tendencies on cordial reception industry The deduction of these tendencies in the cordial reception industry is a short term diminution and a long term growing of the industry. Although the industry has declined late due to the effects of the fiscal crunch, there is possible for growing in the hereafter due to monolithic investings and consumer consciousness of merchandises offered. However, the private sector and authorities have a duty of collaborating of this growing is to be achieved. Massive investings, invention of alone services and consumer consciousness of merchandises offered is cardinal to accomplishing this growing. It is of import to do the undermentioned recommendations if long term growing of the cordial reception industry is to be achieved in future. Recommendations Government intercessions There are assorted authorities intercessions which should be implemented if the cordial reception industry is to turn and develop in future. Government intercessions should largely affect steps which stimulate economic growing and development every bit good as the creative activity of an environment which encourages the growing of the cordial reception industry ( Cooper, 2005 ) . This includes a fiscal bundle which is geared towards promoting more public investing and economic stableness of houses particularly during the current planetary economic crisis. It should besides affect development of substructure which will guarantee that the cordial reception industry is able to run into the diverse demands of clients. Merchandise distinction Product distinction is of import in run intoing alone market needs across different environments. It involves developing alone merchandises to run into diverse demands in different environments. Firms in the cordial reception industry should set about research on market demands and develop merchandises which meet alone demands across different environments ( Wilkerson, 2003 ) . This will guarantee that customersaa‚Â ¬a„? demands are satisfied and they remain loyal to suppliers of such services. In bend, the cordial reception industry will bask long term profitableness.

Accident victim interview report Essay Example | Topics and Well Written Essays - 500 words - 1

Accident victim interview report - Essay Example Rubinow (1969) states that, â€Å"One has only to think of the peculiar dangers which a structural iron-worker must face daily in the construction of modern skyscrapers† (p.71). The victim clarified that steel bars must be handled by skilled ironworkers. Usually, most of the construction companies make use of safety measures while handling steel bars. For instance, structural ironworkers make use of cranes to lift steel bars. To be specific, co-ordination and mutual understanding among the ironworkers reduce the scope of accidents. The victim’s co-worker pointed out that the victim was in a hurry because he was asked to complete the work within deadline. So, the victim was forced to ignore safety measures and it resulted in the accident. While hoisting a steel bar, one of the cables happened to get loose and the victim’s hand was trapped under the steel bar. The safety officers started rescue work and the victim was transported to the hospital in no time. The doc tor’s diagnosis proved that the victim’s left hand was fractured. The timely rescue measures adopted by the safety officers saved the victim from further injury. The victim was forced to discontinue his work for more than 2 months to deal with the fracture. But the injury was not so severe to keep the victim away from his job for a long time. The company authorities and the doctors provided ample importance to the victim’s treatment because the accident and related issues may weaken the company’s reputation. The doctors pointed out that the fracture is not that much severe and can be cured within 2 months. The victim further added that he feels much better and is expecting an early recovery. The Occupational Safety and Health Administration (OSHA) authorities visited the site, investigated the case, and the company was forced to pay reasonable fine. Besides, the company authorities agreed to provide

Batch Distillation Column Assignment Example | Topics and Well Written Essays - 500 words - 1

Batch Distillation Column - Assignment Example ., n, and more specifically, when i = 1 gives y1 =xo = xD The straight line in the middle is referred to as the rectifying section. It represents the linear relationship between the heavier component and the lighter component in the mixture. The step wise regions are illustrative of the number of the thermocouples present in the column. It is important to note that though the given column had four thermocouples, five are represented in the diagram. The fifth is the reboiler. While calculating, the number of trays is given as one less those that are shown in the graph. The trays offer equilibrating surfaces, allowing for the vapour and liquid phases of the components of the mixture to equilibrate. The feed line is also used in this process. When the feed is introduced at the fourth stage, it coincides with the operating lines. In the event that this does not happen, it becomes evident that the liquid being used as a feed is not saturated. This experiment exemplifies this scenario. In such a case, the McCabe-Thiele diagram becomes a simple line graph. The McCabe-Thiele diagram is usually used in calculating the number of stages that have been used in the procedure. This is usually necessary when the efficiency of the system needs to be improved. Liquid concentration samples taken at the end of the distillation period are used to work out various other functions that will be required for subsequent calculations. This process normally goes on until such a time that the compositions of obtained samples do not show any changes. This point is known as the steady state, and it is useful in analysis of how efficient the distillation has been. Near-pure samples are obtained by this

Operating System and Microsoft Corporation Essay Example for Free

Operating System and Microsoft Corporation Essay Microsoft Corporation is an American multinational software corporation headquartered in Redmond, Washington that develops, manufactures, licenses, and supports a wide range of products and services related to computing. The company was founded by Bill Gates and Paul Allen on April 4, 1975. Microsoft is the worlds largest software maker measured by revenues.[3] It is also one of theworlds most valuable companies.[4] Microsoft was established to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computeroperating system market with MS-DOS in the mid-1980s, followed by the Microsoft Windows line of operating systems. The companys 1986 initial public offering, and subsequent rise in its share price, created an estimated three billionaires and 12,000 millionaires from Microsoft employees. Since the 1990s, it has increasingly diversified from the operating system market and has made a number of corporate acquisitions. In May 2011, Microsoft acquired Skype Technologies for $8.5 billion in its largest acquisition to date.[5] As of 2012, Microsoft is market dominant in both the PC operating system and office suite markets (the latter with Microsoft Office). The company also produces a wide range of other software for desktops and servers, and is active in areas including internet search(with Bing), the video game industry (with the Xbox and Xbox 360 consoles), the digital services market (through MSN), and mobile phones (via the Windows Phone OS). In June 2012, Microsoft announced that it would be entering the PC vendor market for the first time, with the launch of the Microsoft Surface tablet computer. In the 1990s, critics began to contend that Microsoft used monopolistic business practices and anti-competitive strategies includingrefusal to deal and tying, put unreason able restrictions in the use of its software, and used misrepresentative marketing tactics; both the U.S. Department of Justice and European Commission found the company in violation of antitrust laws. Microsoft is the undisputed leader in the market for operating systems (Sheremata 1997). The Microsoft Corporation has produced the vast majority of operating systems for all personal computers (PCs); moreover, operating systems that Microsoft has created are Windows95, Windows 3.1, and DOS. They also have produced the leading spreadsheet and word processors for both Windows and Macintosh operating systems. They own 85% of the market share with their office software Word, Excel, Powerpoint, Microsoft Exchange, and Microsoft Access. Not surprisingly, most of us have used some if not all of these products and/ or services provided by the Microsoft Corporation. How did the Microsoft Corporation develop into a software monopoly? For the most part, one or several combinations of the following forge monopolies: an amalgamation of smart business decisions, mistakes by competitors, and at times some shady tactics that a company might employ to become a market leader and monopoly of today. Microsoft had its beginning during the 1970s when IBM was the computer hardware giant of the industry. In 1975 Microsoft was the producer of programming languages for MIPS Altair 7500 (Conigliaro1996). In 1981, Microsoft purchased an operating system for an Intel based 8086 chip from a small company named Seattle Computer Products and redesigned its product to sell it to license it to IBM for its new personal computer (PC) (Conigliaro1996). The redesigned product was released under the name MS DOS 1.0. IBM being a monopoly at that time in the hardware department, by allowing Microsoft to provide the operating system to its PCs, then an outside source, relinquished control of the software industry to this up-and-coming powerhouse. Microsoft retained the right to license their operating system to other manufacturers and helped spur the massive IBM clone industry. Microsoft became one of the leaders in the computer industry during the 1980s with the help of technologies that help provide PCs for an information hungry age and with Microsoft providing the operating systems for a high percentage of the PCs sold. By the late 1980s, Microsoft controlled the operating system market; versions of MS-DOS ran over 80% of personal computers (Conigliaro1996). However, Microsoft did not control any of the application markets, this honor went to Lotus, which at the time had the top spreadsheet, 1-2-3 and WordPerfect had the leading word processors, WordPerfect. When Microsoft introduced Microsoft Windows 3.1 in the 1990s, it locked in Microsoft in the driver seat for what is now the software monopoly that exists. Soon after, Microsoft introduced Excel 3.0 for Windows and Word for Windows 2.0. Lotus and WordPerfect did not realize the effects that Windows 3.0 would have on the industry and did not plan ahead for the evolution (Gleick 1995). The claim has also been made that Microsoft used its control over the operating system and graphical user interface markets to help growth in the applications market. Some executives spoke of the â€Å"Chinese Wall†, that is some of the developers learned to take advantage of the operating system before other companies could who did not have the access (Gleick 1995). They were also accused of when introducing new technology called object linking embedding (OLE) in Windows, they would provide the technology to Excel 3.0 developers to incorporate it into Excel before the technology was available to other companies. Making it possible for applications on a system to work with other applications made by Microsoft before competitors could have a chance to compete and provide the same or a comparable application. With the introduction of Windows 3.1 (an update on 3.0) and Microsoft having the edge, Microsoft’s Excel, Word and Office started to dominate the application market. The dawn of Microsoft the monopoly empire was on the horizon. In the 1990s Microsoft began to diversify with its dominance over the application and operating systems it began to get into producing products for multimedia, business operation systems, and now even games and online services. They have been accused of shady business practices when they attempted to purchase Intuit, the software company that owns Quicken, the world’s most popular personal finance manager. And Microsoft’s pairing Windows 95 with The Microsoft Network, both moves are threatening to new competitors because of the barriers they create. They also generate risks to innovation and competition through the entire industry. Microsoft has used its power as the leader in the market with operating systems to grow into the power that it is now. A combination of good business tactics, regretful business choices by competitors, and finally Microsoft using its new power has made Microsoft untouchable by competitors. We have several examples of monopolies in our past as a nation, and we have found that monopolies have a tendency to stiffen innovation. With computer systems innovation is important to continue and stay ahead of the market. The example we can think about is IBM, when IBM split its business it opened the door to several new businesses that have only helped society. Is Microsoft going to help society if it is ordered to split? We can only wait and see. By making Microsoft split it will open the door to new ideas from small entrepreneurs that might have the next great operating system. # Microsoft has long enjoyed Olympian profit margins, using its monopoly power to maintain prices on its software even in tough times. But now, amid a terrible downturn and rising competition, CEO Steven A. Ballmer is shifting to a scrappier approach. He is cutting prices on a variety of fronts, from flagship Windows and Office products to newfangled Internet services. The idea is to accept lower margins in some businesses but boost overall earnings by going after a grab bag of growth opportunities. These range from expanding its share of big companies software purchases to lowering the price of Office software so consumers in emerging markets pay for it rather than pirate it. With the outlook so cloudy, were focusing on gaining share in those areas that are most critical, says Stephen A. Elop, who heads the business division. On July 13, Elop demonstrated the new Office 2010 in New Orleans. While Microsoft expects most customers to pay for the program the way they always have, less powerful, ad-supported versions will be available free on the Web. The company is also charging a monthly fee for online applications, such as the e-mail program Exchange, which is about a third as profitable as selling the software on CDs. And on Oct. 22, Microsofts new Windows 7 PC operating system will go on sale in stores for $40 less than the $240 it charged when it launched its Vista program in 2007—the biggest price cut on a new version of Windows in years. All of these moves amount to a risky experiment in price elasticity. By lowering prices, the company hopes to increase sales of existing products while making fast headway with new ones. If the company can gain enough market share to cover its massive costs in Web services and Internet search—notably, its vast data centers—every extra dollar will be pure profit. Im not saying it will be easy, says Ballmer. But we have great opportunities to grow total profit dollars. ONLY $29 IN CHINAMicrosoft is cutting the price of Office and offering the free versions of Word, Excel, and other programs to head off competition from Google and other rivals that offer similar software at little or no cost. Microsoft has so many promotions for Office that its effective price is $100, down from $150, and even lower in such countries as Brazil and India. But the experience is sparking optimism at Microsoft about the new strategy. The company says unit sales of Office surged 415% in the second half of last year. The most aggressive price cut has come in China, where Microsoft says 95% of Office installations have been pirated. Since it began testing a $29 offer in China last September, sales have soared morethan 800%. The low price was like taking firewood from under the cauldron of piracy, says Liu Tianxiang, a vice-president with Beijing Federal Software, a Chinese software distributor. He figures Microsoft has sold 80,000 copies of Office in China since the trial started. Now Microsoft intends to make the low price permanent. Not surprisingly, Microsoft continues to hunt for ways to offset price cuts. It hopes to boost the bottom line by encouraging Windows 7 software users to upgrade more often. Since the program CD will come loaded with multiple versions, users who buy the cheaper Starter edition can easily pay later to get premium features. Of course, that risks annoying users—when rivals such as Google are trying to lure customers with cheaper alternatives. But in the current economy, theres no risk-free way to stay ahead.

The Importance of Philosophy Essay -- Philosophy Philosophical Essays

The Importance of Philosophy The question is Philosophy. Why is it important? What makes it important? To answer theses questions you first have to know what philosophy is. Philosophy is defined as: the pursuit of wisdom; a search for a general understanding of values and reality by chiefly speculative rather than observational means. This is the written definition of philosophy, but I think philosophy can’t be defined to just words. It’s more then words. Philosophy to me is an attempt to understand the world. To understand philosophy one must not look for a solid definition. It is easier to understand it if one is actually doing it. Why don’t you try it out now, take the ever so popular phrase â€Å"to be or not to be.† One thing can’t, be and not be at the same time. If something is there, that can be touched, seen, held, or even look at, you can consider it to be, to exist. One can’t say that it does not exist because the object in reality is there. It can’t be there and not be there at the same time. Another way to try to understand philosophy is to find out where it came from and what the word means when it is broken down. The term philosophy comes from the Greek for â€Å"love of wisdom,† giving us two important starting points: love (or passion) and wisdom (knowledge, understanding) First we’ll start off with love or passion. One must understand that philosophy shouldn’t be pursed without love or passion. You must not think of philosophy as work. It must not be force upon you. You have to want to do philosophy. If your love or passion in philosophy isn’t there, then you truly aren’t seeking wisdom. One must have a passion for what they are philosophizing to actually gain the wisdom in which they are seeking. Next would be wisdom. Wisdom is forever sought out by us as we grow and we mature. One normally doesn’t consider the seeking of wisdom philosophy, but that is where they are wrong. This search for wisdom brings us back to the prior topic of passion or love. When we look at things, most of us look for answers to how they work. For instance, snow; when you were smaller you probably had no idea what snow was. You probably didn’t know what is was made up of and where it came from. As a growing child trying to understand the world, one would probably seek out to understand how it worked. Thus, you probably asked your parents. This asking or seeking of k... ...uestion is always there but unfortunately the answer isn’t. What’s meant by this is you can always ask a question, whether it is good question or a bad question really depends upon ones interpretation of the question. Since the answer isn’t always there in philosophy you must not give up on it. What you must understand asking questions to further seek wisdom is good for ones mind even if the question can’t be answered. Then again some answers might even lead to into further questions. Therefore, you might be stuck in a certain question or understanding for some time but it doesn’t matter as long as you keep seeking of the true and honest answer. Now after all these reasoning and explanations, hopefully you can see what philosophy is and how it is important to our daily lives. It helps us understand what is going on around us. It helps us understand how things work. It helps us understand ourselves. For this we should be grateful to all the people who sought out for answers, who questioned other peoples’ thoughts, and who never stop seeking wisdom. For without philosophy, without human curiosity, without questioning, without asking, there in no way we would be where we are today.

Enthalpy of formation of calcium carbonate Essay

Objective To determine the enthalpy of formation of calcium carbonate Procedures A. Reaction of calcium with dilute hydrochloric acid 1. 1. 0909 g of calcium metal was weighed out accurately. 2. 100 cm3 of approximately 1 M hydrochloric acid was pipetted. and placed in a plastic beaker. 3. The initial temperature of the acid was determined 4. The weighed calcium was added into the acid and stirred thoroughly with the thermometer until all the metal had reacted. 5. The maximum temperature attained by the solution was recorded. 6. The experiment was repeated with 1. 0538g calcium metal. Results: Experiment no. 1 2. Mass of Ca used/ g 1. 0909 1. 0538 Initial temp. of solution/ ? 27 26 final temp. of solution/ ? 55 52 Temperature change/ ? 28 26 Calculations and Discussion: 1. What does the term â€Å"heat of formation† of a substance mean? Heat of formation refers to the heat change when one mole of a substance is formed from its constituent elements is their standard states under standard conditions. 2. What are â€Å"standard conditions† for thermochemical calculations? Standard conditions is defined as elements or compounds appear in their normal physical states at a pressure of 1 atm (101325 Nm-2/760mmHg) and at temperature of 25 oC (298 K). Moreover, the solution should have unit activity(1mol dm-3 ). 3. Write the equation for the formation of calcium carbonate under standard conditions. (Call this Equation 1) Ca(s) + C(s) + 3/2 O2(g) –> CaCO3(s) 4. Write an ionic equation for the reaction taken place. (Call this Equation 2) Ca(s) + 2H+(aq. ) ? Ca2+(aq. ) + H2(g) 5. Assuming (a) the solution in the plastic beaker has the same specific heat capacity as water, i. e. , 4. 2 kJg-1K-1 and (b) density of the acid is the same as that of water, i. e. , 1. 0 g cm-3. Calculate, in each experiment, the heat change in the reaction between the calcium and the acid per gram of calcium. For the first experiment: ?Energy evolved by the reaction= Energy absorbed by the acid ?By E = mc? T, ?H per gram of calcium = [(100/1000)(4200)(28)]/ 1. 0909 = -10780J g-1 = -10. 780kJ g-1 For the second experiment: ?Energy evolved by the reaction= Energy absorbed by the acid ?By E = mc? T, ?H per gram of calcium = [(100/1000)(4200)(26)]/ 1. 0538 = -10362J g-1 = -10. 362kJ g-1 6. Calculate the average heat evolved by one mole of calcium. For the first experiment:?H per one mole of calcium =[(100/1000)(4200)(28)]/ [1. 0909/40. 08] =-432066 J mol-1 =-432. 066 kJ mol-1 For the second experiment: ?H per one mole of calcium =[(100/1000)(4200)(26)]/ [1. 0538/40. 08] =-415329 J mol-1 =-415. 329 kJ mol-1 Average ? H per one mole of calcium (? Hx) =(432. 066 +415. 329)/2 =-423. 698 kJ mol-1 7. Why is the exact concentration of the hydrochloric acid unimportant? Approximate concentration of hydrochloric acid is not considered as one of the errors. In the reactions, limiting agents, i. e. calcium and calcium carbonate, must be reacted completely. Only these matter in the reaction but not the amount of H+(aq) provided in hydrochloric acid. Indeed, the concentration of the hydrochloric acid just affects the rate of the reaction. Therefore the exact concentration of hydrochloric acid is unimportant provided that there is enough H+(aq) to react with limiting agents completely. 8. Should we measure the volume of acid with a measuring cylinder? Why? The measuring cylinder should not be used to measure the volume of acid. This is because the heat absorbed by the acid must be counted when calculating the heat change of the reaction. As the acid has very high specific heat capacity, the errors in calculating the heat change of the reaction will be very significant if the heat absorbed by acid is not taken into account. Thus, the volume of acid should be obtained accurately to apply into E=mc? T in order to calculate the heat absorbed by the acid accurately. As the scale of the measuring cylinder is far from accurate, the pipette should be used instead. B. Reaction of calcium carbonate with dilute hydrochloric acid 1. 3. 0940g of dry powdered calcium carbonate was weighed out accurately and placed directly into a clean dry plastics cup. 2. 100 cm3 of approximately 1 M hydrochloric acid was pipetted into another beaker. 3. The acid was poured on the carbonate in the plastic beaker. 4. The solution was stirred briskly with the thermometer and the maximum temperature reached by the solution. was recorded. 5. The experiment was repeated with 2. 7400g of dry powdered calcium carbonate. Results: Experiment no. 1 2 Mass of CaCO3 used/ g 3. 0940 2. 7400 Initial temp. of solution/ ? 26 25 final temp. of solution/ ? 28 27 Temperature change/ ? 2 2 Calculations and Discussion: 1. Write an ionic equation for the reaction taken place. (Call this Equation 3) CO32-(aq. ) + 2 H+(aq. ) ? CO2(g) + H2O(l) 2. Calculate the average heat evolved by one mole of calcium carbonate. (Making the same assumptions as in Part A) For the first experiment: ?Energy evolved by the reaction= Energy absorbed by the acid ?By E = mc? T, ?H per mole of calcium carbonate = [(100/1000)(4200)(2)]/[(3. 0940/(40. 08+12. 01+16Ãâ€"3)] =840 /[(3. 0940)/(100. 09)] =-27174 J mol-1 =-27. 174 kJmol-1 For the second experiment: ?Energy evolved by the reaction= Energy absorbed by the acid ? By E = mc? T, ?H per mole of calcium carbonate = [(100/1000)(4200)(2)]/[(2.7400/(40. 08+12. 01+16Ãâ€"3)] =840 /[(2. 7400)/(100. 09)] =-30685 J mol-1 =-30. 685 kJmol-1 Average ? H per one mole of calcium (? Hy) =(27. 174 +30. 685)/2 =-29. 080kJ mol-1 3. Draw an energy-cycle linking Equations 1, 2 and 3 together, you must include reactions that had not been performed in the experiment. 2H+(aq. ) +Ca(s) + C(s) + 3/2 O2(g) CaCO3(s) + 2H+(aq. ) ?Hx ? Hy Ca2+(aq. ) + H2(g) + C(s) + 3/2 O2(g) Ca2+(aq. ) + CO2(g) + H2O(l) 4.. Besides your experimental results, what other information do you need to enable you to calculate the heat of formation of calcium carbonate? Look up these necessary data from any suitable source. The enthalpy change of formation of water: -286 kJ mol-1 The enthalpy change of formation of carbon dioxide: -393 kJ mol-1 5. Calculate the heat of formation of calcium carbonate. ?H? f [CaCO3(s) ] =? Hx +? H? f [CO2(g)] +? H? f [H2O(l) ] -? Hy =-423. 698-393-286+29. 080 =-1073. 6 kJ mol-1 6. As far as you can, list out the major sources of inaccuracy in the experiment and suggest ways to improve them whenever possible. Sources of error: – Heat loss to surrounding by evaporation, conduction and radiation. -The thermometer absorbed some energy. – The specific heat capacity and the density of the solution are not actually the same as those of the water. -Some of the samples failed to dissolve completely? – The reading of the thermometer is not accurate enough. -The experiment was not exactly carried out under standard conditions. -Some heat was gained by the gases, a considerable amount of heat is loss to surroundings when the gases are releasing. -The lid covering the plastic cups cannot prevent heat loss efficiently. -Heat capacities of plastic cups and thermometer were ignored. -The samples were not pure calcium and pure calcium carbonate due to air oxidation and reaction with moisture in air. Improvements -Use the vacuum flask calorimeter with a cork stopper instead of the polystyrene foam cup -Use a more accurate reading thermometer (e. g. Beckmann thermometer) – Find out the specific heat capacity of other materials other than water. -Use sand paper to remove the oxide layer on calcium metal. -Use powdered calcium instead of the granules in order to increase the rate of reaction ,so that the heat loss to the surroundings can be reduced 7. State the law which you have used in order to answer Question (5). The heat of formation of calcium carbonate cannot be determined directly by calorimetric experiments as there are several experimental difficulties : -The extent of the reaction cannot be controlled -Heat evolved cannot be separated into appropriate terms -Direct combustion of calcium can be violent -Side reactions may arise, for example, 2Ca(s) + O2(g) 2CaO(s) C(s) + O2(g) CO2(g) Then ,Hess’s Law is applied to calculate the heat of formation of calcium carbonate. Hess’s law states that the energy change for any chemical or physical process is independent of the pathway or number of steps required to complete the process provided that the final and initial reaction conditions are the same. In other words, an energy change is path independent, only the initial and final states being of importance. This path independence is true for all state functions 8. State the law which you have used in order to answer Question (7) depends? Why is this principle useful? The law of conservation of energy states that energy can neither be created nor destroyed but can be changed from one form to another. In order to achieve the answer, Hess’s law is used. Hess’s law states that the total enthalpy change of a reaction is independent of the route by which the reaction takes place. In other words, the standard enthalpy change of a reaction depends on the differences in standard enthalpy between the reactants and the products. It means that the enthalpy of the reaction system is conserved. As the absolute enthalpy of a substance is not possible to be determined and only the difference between reactants and products can be measured experimentally. This law helps us to define the standard enthalpy change of a reaction. Conclusion The enthalpy of formation of calcium carbonate is -1073. 6kJ mol-1. Reference http://hk. knowledge. yahoo. com/question/? qid=7006100200879 http://hk. knowledge. yahoo. com/question/question? qid=7007111800043 http://www. answers. com/8. %09Should+we+measure+the+volume+of+acid+with+a+measuring+cylinder%3F+Why%3F http://hk. search. yahoo. com/search/kp? ei=UTF-8&p=word%E6%89%93%E5%88%86%E7%B7%9A&rd=r1&fr2=tab-web&fr=FP-tab-web-t F. 6 Chemistry Notes Section III by Ms Sin W L.

Elizabeth Cady Stanton Fighting for Womens Rights Essay

Elizabeth Cady Stanton Elizabeth Cady Stanton didn’t want to be remembered as a household but the women they will admire. The purpose of this paper is to explain the life of Elizabeth Stanton and how she had a huge effect on the outcome of seeking equal rights for woman. Early Childhood First of all, the most famous influential feminist lead was known when she was a child. Elizabeth was born in November 12, 1815 in Johnstown, NY (Elizabeth Cady Stanton Biography). Her father was a judge and her mother was a house wife; during that time females where thought of 2nd class citizens and had few rights (Salisbury). Elizabeth’s wealthy parents hired Scottish nurses and there slave Peter Teabout to take care of the girls; the Cady sisters†¦show more content†¦Judge Cady wanted his daughters to marry men that became familiar with the law, but instead she married secretly Henry Stanton a social reformer in 1840; also went into law to get along with his wife’s parents. They had 7 children in total, 2 girls and 5 boys (Salisbury). Shortly, the Stanton’s traveled to London for an Anti-Slavery Convention and talked more about the participation of women which was denied by the council; Henry Stanton made a huge speech to let women con tribute in the meeting but he voted not to let women get involved. Elizabeth met Lucretia Mott and promised to â€Å"form a society to advocate the rights of woman† (Salisbury). The Stanton’s moved to Massachusetts and there were more social, cultural, political opportunities (Salisbury). Therefore in every aspect she did, Stanton will do it with pride. For example housekeeping, cooking also any other jobs a woman Estrada 4 will do in the 1800’s, managing their home. Even though Stanton liked where she was they moved to Seneca, Falls and met with her old friend Mott. In 1848, they granted their promise and held the first Women’s Rights Convention, in addition to this, the people who attended this meeting believed or wanted to have equal power as men. In the Convention Stanton drafted the Declaration of Sentiments which is similar to the Declaration of Independence, â€Å"the best protection any women canShow MoreRelatedEssay on Elizabeth Cady Stantons Fight for Equality 1252 Words   |  6 PagesElizabeth Cady Stanton was not just a mother, daughter, feminist, and writer; but she is the woman who changed the lives of women everywhere by fighting for equality. Stanton lived a normal childhood, but one that motivated her to never give up hope in reaching her goal. A quick background of her life will help better understand why she became such a powerful woman’s rights activ ist. Also, what she accomplished that changed history and how it still affects us today in 2011. 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