Chemical Engineering - Chemical Engineering Basics - Discussion


For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

[A]. increases.
[B]. decreases.
[C]. remains constant.
[D]. increases to a maximum before decreasing.

Answer: Option A


No answer description available for this question.

Swapnil Z said: (Dec 11, 2014)  
Any spontaneous process in a system at constant T and p must decrease the Gibbs free energy (if the system is away from equilibrium) or leave the Gibbs free energy unchanged (if the system is at equilibrium).

Nanda said: (Feb 15, 2019)  
Right @Swapnil.

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