Define Gibbs energy, and explain its usefulness.

Chapter 10, Problem 10.1.59

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QUESTION:

Define Gibbs energy, and explain its usefulness.

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QUESTION:

Define Gibbs energy, and explain its usefulness.

ANSWER:

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Gibbs free energy or Gibbs function indicates the utmost energy accessible to the system that can be transformed into useful work. It is denoted using the symbol G. The unit used for indicating Gibbs free energy is joules or kilojoules. The mathematical expression related to Gibbs free energy can be given as:

                                                             

Where

G denotes the Gibbs energy

H denotes the enthalpy of system

S denotes the entropy of system

T denotes the absolute temperature

 

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