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A pure copper sphere ha

A pure copper sphere ha a radius of 0.935in. How many moles of copper does it contain? The volume of a sphere is (4/3)3.14r^3,
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2. asked by Jenna
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1. copper is a metal. describe the structure and bonding of copper2. copper can be alloyed with other elements to make it
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If a copper sample containing some zinc impurity is to be purified by electrolysis, the anode and the cathode must be which of
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2. asked by John
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A sphere of copper is subjected to 200 MPa of pressure. Copper has a bulk modulus of 130 GPa. By what fraction does the volume
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2. asked by Koena
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A rod made from insulating material carries a net charge, while a copper sphere is neutral. The rod and the sphere do not touch.
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2. asked by Mary
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Which statement is true about copper and salt?a Both are mixtures. b Both are pure substances. c Copper is a mixture and salt is
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An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0%
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2. asked by Donald
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An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0%
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2. asked by Anonymous
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The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.Calculate the percent copper in pure
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2. asked by Lou
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The density of pure copper is 8.96 at 20°C. If 6.50 g of pure copper pellets is added to a graduated cylinder containing 13.4
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2. asked by blake
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