SATHEE: Chemical Thermodynamics Question 406

Chemical Thermodynamics Question 406

Question: In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in Gibbs free energy (dG) and change in entropy (dS), satisfy the criteria

Options:

A) ${(Δ S)}_{V, E} > 0, {(Δ G)}_{T, P} < 0$

B) ${(Δ S)}_{V, E} = 0, {(Δ G)}_{T, P} = 0$

C) ${(Δ S)}_{V, E} = 0, {(Δ G)}_{T, P} > 0$

D) ${(Δ S)}_{V, E} < 0, {(Δ G)}_{T, P} < 0$

Show Answer

Answer:

Correct Answer: A

Solution:

For spontaneous reaction, $d S > 0$ and $Δ G$ and $Δ G$ should be negative i.e. < 0.

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Chemical Thermodynamics Question 406

Question: In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in Gibbs free energy (dG) and change in entropy (dS), satisfy the criteria

Options:

Answer:

Solution:

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