What is the relationship between Gibbs Free Energy and spontaneity?

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Question: What is the relationship between Gibbs Free Energy and spontaneity?

Options:

Correct Answer: ΔG < 0 indicates spontaneous reactions.

Solution:

A negative ΔG (< 0) indicates that a reaction is spontaneous under the given conditions.

What is the relationship between Gibbs Free Energy and spontaneity?

What is the relationship between Gibbs Free Energy and spontaneity?

Correct Answer: A negative ΔG indicates spontaneity.

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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