(a) Interpretation: The reason for the negative value of Δ S ∘ when number of gaseous molecules increases in a system needs to be determined. Concept introduction: Entropy is defined as degree of randomness in a system. It is due to the random motion of molecules in the reaction system. The entropy of a gaseous system is more than a liquid system as gaseous molecules are in constant motion. If number of gaseous molecules increases, entropy also increases.
(a) Interpretation: The reason for the negative value of Δ S ∘ when number of gaseous molecules increases in a system needs to be determined. Concept introduction: Entropy is defined as degree of randomness in a system. It is due to the random motion of molecules in the reaction system. The entropy of a gaseous system is more than a liquid system as gaseous molecules are in constant motion. If number of gaseous molecules increases, entropy also increases.
Solution Summary: The author explains that entropy is defined as degree of randomness in a system, due to the random motion of molecules in the reaction system.
The reason for the negative value of ΔS∘ when number of gaseous molecules increases in a system needs to be determined.
Concept introduction:
Entropy is defined as degree of randomness in a system. It is due to the random motion of molecules in the reaction system. The entropy of a gaseous system is more than a liquid system as gaseous molecules are in constant motion. If number of gaseous molecules increases, entropy also increases.
Interpretation Introduction
(b)
Interpretation:
The reason for ΔS∘ value to be independent of T needs to be explained.
Concept introduction:
Entropy is defined as degree of randomness in a system. It is due to the random motion of molecules in the reaction system. The entropy of a gaseous system is more than a liquid system as gaseous molecules are in constant motion. If temperature of a system is increased, the random movement of molecules of gases increases.
Interpretation Introduction
(c)
Interpretation:
The reason for a solid to have lower entropy than liquid needs to be explained.
Concept introduction:
Entropy is defined as degree of randomness in a system. It is due to the random motion of molecules in the reaction system. The entropy of a gaseous system is more than a liquid system as gaseous molecules are in constant motion.
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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY