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What does the Gibbs free energy change indicate?
What does the Gibbs free energy change indicate?
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Practice Questions
1 question
Q1
What does the Gibbs free energy change indicate?
Spontaneity of a reaction
Rate of a reaction
Equilibrium constant
Activation energy
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The Gibbs free energy change indicates the spontaneity of a reaction; a negative value suggests spontaneity.
Questions & Step-by-step Solutions
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Q
Q: What does the Gibbs free energy change indicate?
Solution:
The Gibbs free energy change indicates the spontaneity of a reaction; a negative value suggests spontaneity.
Steps: 5
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Step 1: Understand that Gibbs free energy is a measure of energy available to do work in a system.
Step 2: Know that the Gibbs free energy change (ΔG) is calculated during a chemical reaction.
Step 3: Recognize that a negative ΔG value means the reaction can happen on its own without needing extra energy.
Step 4: Realize that a positive ΔG value means the reaction is not spontaneous and needs energy to occur.
Step 5: Conclude that the Gibbs free energy change helps predict if a reaction will happen naturally.
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