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Chapter 6: Q. 11 P (page 169)

Which reaction is likely to be more exergonic, one with Keq=1000 or one with Keq= 0.001?

Short Answer

Expert verified

The reaction in which Keq=1000 is more exergonic.

Step by step solution

01

Spontaneous reaction

Reactions that proceed without an external energy supply are called a spontaneous reaction.

For a reaction to be spontaneous, it needs to have a negative value of Gibbs free energy.

Also, for the reaction to be spontaneous, the value of needs to be positive

02

Relation between Keq and exergonic reaction

WhenKeq greater than 1, the energy is out in the reaction,which means the reaction is exergonic.

When Keq is less than 1, the energy is out in the reaction,which means the reaction is endergonic.

The above reaction Keq=1000, is more exergonic.

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