
Interpretation: The term entropy and whether a solid or a gas of a particular compound has higher entropy at the same temperature needs to be determined.
Concept introduction:

Answer to Problem 7RQ
Entropy is the measure of the disorder in a system. A solid has higher entropy than the gas compound at the same temperature.
Explanation of Solution
Entropy is the measure of the disorder in a system. A liquid or a solid has a lower entropy than a gas. A gas has a higher entropy, as it consists of randomly spaced, moving particles whereas a solid has particles which are packed next to one another and the particles do not move. A liquid has particles that re close together, but they are slightly further part that allows the particles to move and flow around one another.
The second law of thermodynamics is given as, “The entropy of universe is always increasing”. Entropy is the measure of the disorder in a system.
A liquid or a solid has a lower entropy than a gas.
Chapter 10 Solutions
World of Chemistry
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