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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Intruder in the Dust by William Faulkner is set in the South and is set in the late 1940s. It shows the grueling process that it takes to change a peoples’ view of things and how attaining justice between the races is a complex process. The community’s racist views change slowly with Lucas Beauchamp being the silent catalyst of it all. Lucas’ character represents the African Americans that refused to bend to the racism they were faced with. Lucas Beauchamp is a proud‚ black man who owns his own
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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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explain the dangers of humans abusing fossil fuels and natural resources Ernest Cline uses present and future events to show what will happen if humans continue to be wasteful. In the future of 2044 the world is trashed with RV’s stacked on top of each other and hardly any resources to live off of. Although the world is a complete disaster‚ there is one upside to this tragedy...video games. In comparison to Bradbury’s novel Ernest Cline also uses technology as an asset to show how the dangers of censorship
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English essay Handful of dust Waugh presents drinking within the 1930s as a way of helping someone to deal with problems that they may be having within their life. In this case Tony Last is seen to be having drink after drink with his best friend Jock. Tony is seen to have said that he ‘felt low for weeks…bloody low….how about some brandy?’ Because Tony had been feeling low for weeks‚ most likely because of the fact that he had barely seen Brenda at all and all their communication had been through
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Abolishing the Penny: The biggest questions now days are‚” Should the penny really be abolished and why is the penny still in route like its ten or five cents?” It’s been our smallest-denomination coin for 150 years. But if people are leaving pennies at the cash register‚ is it time to get rid of them? In this essay I am going to argue why we should keep the penny and why people think the penny should stay in route with the rest of the coins. Also why or why not we should keep the penny and if we
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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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