A hot, just minted copper

  1. Before 1982 U.S pennies were made of solid copper. As the price of copper rose,the U.S mint switched to a composition that is
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    2. Boriqualissa asked by Boriqualissa
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  2. The value of an uncirculated mint state-65 1950 jefferson nickle minted in denver is 4/3 the value a 1945 nickle minted in
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    2. help asked by help
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  3. The value of a mint state 63 uncalculated 1950 Jefferson nickel minted at Denver is 8/7 the value of a 1945 nickel in similar
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    2. T asked by T
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  4. The value of an uncirculated Mint state 65' 1950 Jefferson nickel minted in Denver is 7 over 4 the value a 1945 nickel minted in
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    2. Sarah asked by Sarah
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  5. I am working on 5th grade math...can you help with the following question?In a roll of 50 dimes, 8 were minted before 1983. What
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    2. Julie asked by Julie
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  6. 38.0kg mass of copper is melted to be cast into a graphite mold at a copper pipe foundtry. If the solid copper starts off at the
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    2. Jacob asked by Jacob
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  7. Copper dissolves in nitric acid, producing copper (ll) nitrate. After reaction with sodium hydroxide and heating, copper nitrate
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    2. Raj asked by Raj
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  8. A hot, just minted copper coin is placed in 112g of water to cool. The water temperature changes by 8.58 C and the temperature
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    2. Anonymous asked by Anonymous
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  9. A hot, just minted copper coin is placed in 112g of water to cool. The water temperature changes by 8.58 C and the temperature
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    2. Anonymous asked by Anonymous
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  10. is it easy to distinguish between between the different oxidation states of copper? why?-I answered yes because copper (I) is
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    2. Dan asked by Dan
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