DISCUSSION: Qualitative analysis is used to determine the presence of cations or anions present within a sample and their impurities. Information known‚ such as chemical and physical properties‚ about cations and anions can be used to determine what steps should be used to separate the sample into one‚ specific ion. Qualitative analysis involves forming and decomposing complex ions. Qualitative tests are very sensitive‚ allowing to detect a very small amount present in sample. Due to sensitivity
Premium Solubility Oxide Chemistry
Discussion: Impure caffeine was extracted from the instant coffee by separation and evaporation. The amount of impure caffeine in 4.0045g of instant coffee was found to be 64.5mg with a yield of 1.6%. The yield is higher than the overall class average yield. This shows that there is a source of error. With the yield being higher‚ it is possible that the product did not have applicable time to dry and could still have been wet‚ which would make it heavier. Through a new technique called sublimation
Free Caffeine Coffee Tea
many facts/statistics/details that you can to support your topic. 4. Talk to others about your subject (interview). 5. Type or write your outline. 6. Practice your speech at home and in front of friends. 7. Present it in class! Below are some possible topic suggestions. Persuade someone to… Go to college Be well-behaved in school Vote Quit smoking Exercise Learn Spanish Do volunteer work Take responsibility for your actions Keep the environment clean Have pets spayed/neutered Count
Premium Suicide Rhetoric Illegal drug trade
Academic Honesty Academic honesty is important in academics at any level. There are two main reasons for keeping academic integrity intact and they are to stop students from misrepresenting others works as their own and to cite original works giving the source the proper credit. It is important for students to understand the impact that dishonesty has on the educational process. It is also an integrity issue that encompasses the faculty and students as a whole. Academic honesty is the responsibility
Free Academic dishonesty Plagiarism University
Hard but Possible (story of a friend) By Pouria Moghimi HARD BUT POSSIBLE I had an interview with my father’s friend‚ who is a friend with a pure heart‚ a great husband and a hard working man in his job and education‚ Hooman Mosavi has his own narrative of a life with a lot of ups and downs in it. He opened his eyes to the world on twenty second April of 1970 in Rey‚ near Tehran‚ the capital city of Iran. Hooman grow upped in a family with three siblings and they lived in Tehran. Hooman
Premium Literature Afghanistan Hazara people
Is the American Dream Still Possible? The America Dream is defined in general as a dream of a land that is better and richer for everyone based on accomplishment and opportunity. This dream is usually sought after by people who have been deprived of their social and human values. Some people have not been able to achieve this dream based on restrictions of their situations that plague their lives. These situations can be different for everyone‚ race‚ sex‚ handicap‚ etc. My question; is this
Premium United States Walt Whitman Concept
Problem/Solution Unit Plan Lesson 1 Introduction to Problem/Solution - Tell the students that we will be starting the Problem/Solution Unit - Have students work with a partner to answer the questions‚ ‘What is a problem?’ and ‘What is a solution?’ - Come together as a class and discuss their answers to the questions‚ ‘What is a problem?’ and ‘What is a solution?’ ~ Make a list‚ or working (developing) definition of the both ‘problem’ and ‘solution’ on the board - Present “actual” definitions
Premium Energy development Nuclear power Fossil fuel
CHAPTER 5 The Time Value of Money CHAPTER ORIENTATION In this chapter the concept of a time value of money is introduced‚ that is‚ a dollar today is worth more than a dollar received a year from now. Thus if we are to logically compare projects and financial strategies‚ we must either move all dollar flows back to the present or out to some common future date. CHAPTER OUTLINE I. Compound interest results when the interest paid on the investment during the first period
Premium Time value of money Compound interest Present value
CHAPTER 1 Understanding the issues 1. (a) horizontal combination—both are marine engine manufacturers (b) vertical combination—manufacturer buys distribution outlets (c) conglomerate—unrelated businesses 2. By accepting cash in exchange for the net assets of the company‚ the seller would have to recognize an immediate taxable gain. However‚ if the seller were to accept common stock of another corporation instead‚ the seller could construct the transaction as a tax-free reorganization
Premium Balance sheet Generally Accepted Accounting Principles Asset
of economic growth‚ the longest period of uninterrupted growth this century. It appears the UK has temporarily avoided the threat of recession‚ but although forecasts remain positive there are many factors that could push the UK into recession. Possible causes of a recession could include: 1. Fall in house prices. The UK economy has a strong dependency on the housing market. Most people own a house‚ renting is not common like on the continent. Borrowing costs are a high % of income because people
Free Unemployment Inflation Macroeconomics