The mathematical expression for the change in free energy of a system is ΔG =ΔH

Author Question: The mathematical expression for the change in free energy of a system is ΔG =ΔH (Read 664 times)

Hawke

Hero Member
Posts: 679

on: Jun 10, 2013

The mathematical expression for the change in free energy of a system is ΔG =ΔH - TΔS. Which of the following is (are) correct?
A) ΔS is the change in enthalpy, a measure of randomness.
B) ΔH is the change in entropy, the energy available to do work.
C) ΔG is the change in free energy.
D) T is the temperature in degrees Celsius.

coco

Hero Member
Posts: 739

Reply #1 on: Jun 11, 2013

Try C. I remember this question on my exam.

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Hawke

Hero Member
Posts: 679

Reply #2 on: Jun 12, 2013

Thanks, and your suggestion was right.

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