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Chemistry, 21.09.2020 15:01 smithad382

Starting in 1982, the Federal Government made pennies out of zinc and used only a copper coating. Would the density of these pennies be less than the density of zinc, greater than the density of zinc, or exactly equal to the density of zinc?

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Starting in 1982, the Federal Government made pennies out of zinc and used only a copper coating. Wo...

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