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What is the effect of enzyme on ΔG?

Option: 1

Increment


Option: 2

Decrement


Option: 3

No effect


Option: 4

Depends on the type of enzyme


Answers (1)

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How Enzymes Work - Gibbs Free Energy (ΔG) and Activation Energy -

How Enzymes Work - Gibbs Free Energy (ΔG) and Activation Energy

Gibbs Free Energy (ΔG):

  • Gibbs Free Energy (ΔG) is the amount of energy that can be used in a particular reaction.
  • A chemical reaction is said to be exergonic and spontaneous if the Gibbs Free Energy (ΔG) is negative.  
  • A chemical reaction is said to be endergonic and non-spontaneous if the Gibbs Free Energy (ΔG) is positive. 
  • Gibbs Free Energy (ΔG) of a reaction is negative when Gibbs Free Energy (ΔG) of products is less than that of reactants. 
  • Gibbs Free Energy (ΔG) solely depends on the energy of the reactants and products and is not dependent on the pathway of the reaction.
  • If Gibbs Free Energy (ΔG) is zero, the reaction has reached equilibrium. 
  • Gibbs Free Energy (ΔG) is not affected by enzymes.

 

 

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Enzymes do not affect the Gibbs Free Energy (\Delta G)of the reactants and products.

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shivangi.bhatnagar

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