In an experiment, the mass of a piece of copper is determined to be 8.56 g. Then the coppe...

In an experiment, the mass of a piece of copper is determined to be 8.56 g. Then the copper is reacted with sufficient oxygen gas to produce solid copper(II) oxide. (7.1,8.1, 8.2, 8.3, 9.1, 9.2, 9.3, 9.4)

a. How many copper atoms are in the sample?

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b. Write the balanced chemical equation for the reaction.

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c. Classify the type of reaction.

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d. How many grams of O2 are required to completely react with the Cu?

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e. How many grams of CuO will result from the reaction of 8.56 g of Cu and 3.72 g of oxygen?

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f. How many grams of CuO will result in part e, if the yield for the reaction is 85.0%?