IB Chemistry Experiment 4 Composition of a Post-1983 Penny Lab Report Background: Through the use of percent composition one can easily find out how much of a certain element is in a compound or an item such as a post-1983 penny. The experiment will be using HCl a strong acid to dissolve all the zinc inside the outer copper shell. The reaction follows as such; Zn+2HCLZnCl2+H2‚ but there will be no reaction with copper. The portion that will be measured is the mass of copper left after all of
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The Penny Press was developed during a very dynamic and colorful period in American history. In the early 1800s‚ newspapers were biased and controlled by political parties that only reported on political news. Social‚ economic‚political and cultural conditions created a new form of journalism which began during the penny press. For once readers were able to read a newspaper and not just view it. This new press refelcted the new politics going on in America. Many historians believed that the nations
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Penny stocks are inexpensive and risky stocks that can sometimes value a penny or a few dollars. Generally these stocks are often found under $1.00 but most identify them as stocks that trade under $5.00. Penny stocks cannot trade on the Dow Jones or Nasdaq but over the counter. There are several reasons why such types of stocks are so economical‚ but they can potentially be very good investments. First reason why penny stocks are so cheaper is because they signify a financially troubled firm. You
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How Do I Get Started with Investing in Penny Stocks? Investing in Penny Stocks Investors who cannot afford blue chip stocks can still thrive at the stock market by investing in penny stocks. Penny stocks are essentially low-priced‚ small cap stocks‚ which may not necessarily cost a penny. For starters‚ the investment required is small and the rewards too good to ignore. For example‚ you can invest $2‚500 to buy 10‚000 shares at a price of $.25 a share. If the stock price rallies to $0.75‚ you will
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Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____________________ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Introduction: In the spectrophotometric analysis of a penny lab‚ we will be conducting three experiments. The purpose of the first
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In the column “The Ethicist” by Randy Cohen‚ he received a question from a reader. It demonstrated how parents are concerned about teachers exchanging donations‚ from students‚ for a grade. They believe that this action defeats the purpose and value of charities and donations. Students can easily set expectations for receiving a reward after achieving a considerate act. However this exchanging process is able to inspire students to take generous actions in their future. The exchange can give a student
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Have you ever wanted to throw away a penny? The penny should not be erased from society. The penny is such an important artifact in American history. I think that it should not be erased because it has been a part of our American culture. It is not only just a copper piece you hold in your hand‚ but a gateway to a historic past. The penny is significant to society. If we get rid of the penny‚ Our only alternative is rounding to the nickel. Penny elimination would be bad for consumers and the economy
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Lincoln Penny There are changes from small to big to the Lincoln penny. Over the years‚ there were several reasons for changes made to the Lincoln penny. This included changes in its appearance and in its make-up. According to the passage‚ the Lincoln penny had the initials of the designer‚ Victor D. Brenner on it. Americans complained the initials were too big and needed to be removed. This resulted in them removing them and later putting them back on‚ just smaller. Nowadays pennies from 1909
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1857‚ the penny has been changed about ten times! It used to be larger than today’s quarter‚ says “The Ever-Changing Penny.” Though people have worked hard to get the penny the way it is today‚ it might be time to disscard the penny. The penny cost a lot more than it is worth‚ it is way too heavy to carry around‚ it would create a great rounding system‚ and without it‚ we can save time and money. It is a big waste to have. We should follow in Canadas footsteps and get rid of it. The penny is the coin
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How Important is the Penny? The one-cent coin‚ commonly known as the penny‚ was made legal by the Coinage Act of 1864. On the penny that we carry in our pockets‚ is the face of the 16th President of the United States‚ Abraham Lincoln. Throughout the years‚ the penny has helped shape our culture‚ by giving us sayings and idioms‚ such as ¨a penny for your thoughts¨ and ¨not one red cent”. Over the years‚ the penny has seen many things‚ yet now a conflict has arisen: Should the United States keep producing
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