Answer to Question #260058 in Physical Chemistry for Tori

Question

What are the signs for the entropy changes associated with the following process CO2(s) → CO2(g).

Answer 1

The entropy of the system increases in the decomposition of calcium carbonate to calcium oxide and carbon dioxide. Note: The reason for the increase in randomness of gases molecules than that of solid molecules is because of the arrangement of the atoms in solid-state and gases state.