What occurs in a reaction in which the reactant is a solid andthe product is a g

Question

What occurs in a reaction in which the reactant is a solid andthe product is a gas? (a) There is no change in entropy (b) The entropy change is most likely negative because themolecules in the solid state are more random than themolecules in the gaseous state (c) The entropy drcreases and the sign of S most likelywould be negative (d) S most likely would be positive because a gas hasgreater entropy thatn a solid What occurs in a reaction in which the reactant is a solid andthe product is a gas? (a) There is no change in entropy (b) The entropy change is most likely negative because themolecules in the solid state are more random than themolecules in the gaseous state (c) The entropy drcreases and the sign of S most likelywould be negative (d) S most likely would be positive because a gas hasgreater entropy thatn a solid

Explanation / Answer

When you go from a solid to a gas, there is more movement and hencedisorder so entropy would increase. D is the right answer. Hope this helps!

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