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Pick out the wrong statement.

A. Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom

B. The heat capacity of solid inorganic substance is exactly equal to the heat capacity of the substance in the molten state

C. There is an increase in entropy, when a spontaneous change occurs in an isolated system

D. At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

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