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What is the relationship between Gibbs Free Energy and spontaneity?
What is the relationship between Gibbs Free Energy and spontaneity?
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Practice Questions
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Q1
What is the relationship between Gibbs Free Energy and spontaneity?
ΔG < 0 indicates non-spontaneous reactions.
ΔG = 0 indicates spontaneous reactions.
ΔG > 0 indicates spontaneous reactions.
ΔG < 0 indicates spontaneous reactions.
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A negative ΔG (< 0) indicates that a reaction is spontaneous under the given conditions.
Questions & Step-by-step Solutions
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Q
Q: What is the relationship between Gibbs Free Energy and spontaneity?
Solution:
A negative ΔG (< 0) indicates that a reaction is spontaneous under the given conditions.
Steps: 6
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Step 1: Understand Gibbs Free Energy (ΔG). It is a measure of the energy available to do work in a system.
Step 2: Know that ΔG can be positive, negative, or zero.
Step 3: A negative ΔG (less than 0) means that the reaction can happen on its own without needing extra energy.
Step 4: A positive ΔG (greater than 0) means that the reaction needs energy to occur and is not spontaneous.
Step 5: If ΔG is zero, the system is at equilibrium, meaning no net change occurs.
Step 6: Therefore, if you see a negative ΔG, you can conclude that the reaction is spontaneous.
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