How To Make Copper Acetate from Copper

You can make copper acetate  [Cu(CH3COO)2] from common household materials to use in science projects and to grow natural blue-green crystals. Heres what you do: Materials You only need three simple ingredients to prepare copper acetate from copper metal: Copper (e.g., copper wire or pennies minted before 1982)Hydrogen peroxideWhite vinegar Procedure Mix equal parts vinegar and hydrogen peroxide.Heat the mixture. You can bring it to a boil so that youre certain its hot enough, but once you reach that temperature, you can turn down the heat.Add copper. For a small amount of liquid, try about 5 pennies or a strip of copper wire. If you are using wire, make sure it is uncoated.Initially, the mixture will bubble and become cloudy. The solution will turn blue as copper acetate is produced.Wait for this reaction to proceed. Once the liquid clears up, heat the mixture until all the liquid is gone. Collect the solid, which is copper acetate. Alternatively, you can remove the mixture from heat, place the container in a place where it wont be disturbed, and wait for copper acetate monohydrate [Cu(CH3COO)2.H2O]  crystals to deposit on the copper. Copper Acetate Uses Copper acetate is used as a fungicide, catalyst, oxidizer, and as a blue-green pigment for making paint and other art supplies. The blue-green crystals are easy enough to grow as a beginner crystal-growing project. More Chemicals to Make Copper acetate isnt the only chemical you can make from common materials. Make Copper Sulfate: Copper sulfate can be used to grow bright blue crystals.Make Sodium Acetate (Hot Ice): Sodium acetate is produced from the reaction between baking soda and vinegar.Make Ammonium Nitrate: Make ammonium nitrate by reacting nitric acid and ammonia.

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If a firm in a purely competitive industry is confronted with an equilibrium price of $5, its marginal revenue: A. will be greater than $5 B. will also be $5 C. will be less than $5 D. may be either greater or less than $5 2) A firm that is motivated by self interest should: A. always use large amounts of cheap inputs and small amounts of expensive inputs in producing its output B. hire each input so the productivity of each is equal at the margin C. always use large amounts of the most productive inputs and small amounts of the least productive inputs in producing its output employ the combination of resources that will produce the profit-maximizing output at the minimum cost 3) If price is above the equilibrium level, competition among sellers to reduce the resulting: A. shortage will increase quantity demanded and decrease quantity supplied B. surplus will increase quantity demanded and decrease quantity supplied C. c. a special account used instead of a trial balance. d. used for accounts that have both a debit and credit balance. 6. 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Companies that are subject to, but fail to comply with, the Sarbanes-Oxley Act of 2002 a. may do so legally by obtaining an exemption. b. will be automatically dissolved. c. may be subject to fines and officer imprisonment. d. may be forced to sell their foreign subsidiaries. 20. An example of poor internal control is a. The accountant should not have physical custody of the asset nor access to it. b. The custodian of an asset should not maintain or have access to the accounting records. c. One person should be responsible for handling related transactions. d. A salesperson makes the sale, and a different person ships the goods 21. Having one person post entries to accounts receivable subsidiary ledger and a different person post to the Accounts Receivable Control account in the general ledger is an example of a. inadequate internal control. b. duplication of effort. c. external verification. d. segregation of duties. 22. Walker Clothing Store had a balance in the Accounts Receivable account of $780,000 at the beginning of the year and a balance of $820,000 at the end of the year. Net credit sales during the year amounted to $8,000,000. The average collection period of the receivables in terms of days was a. 30 days. b. 365 days. c. 10 days. d. 37 days. 23. Ratios are used as tools in financial analysis a. instead of horizontal and vertical analyses. b. because they may provide information that is not apparent from inspection of the individual components of the ratio. c. because even single ratios by themselves are quite meaningful. . because they are prescribed by GAAP. 24. The information provided in the notes that accompany financial statements is required because of the a. cost principle. b. full disclosure principle. c. matching principle. d. revenue recognition principle. 25. Which of the following is a true statement about closing the books of a corporation? a. Expenses are closed to the Expens e Summary account. b. Only revenues are closed to the Income Summary account. c. Revenues and expenses are closed to the Income Summary account. d. Revenues, expenses, and the dividends account are closed to the Income Summary account.