The Mathematical Expression for the Change in Free Energy of a System

question 25

Multiple Choice

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.
• E)T is the temperature in degrees Fahrenheit.

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