What does a negative ΔG indicate about a chemical reaction?

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Question: What does a negative ΔG indicate about a chemical reaction?

Options:

Correct Answer: The reaction is spontaneous.

Solution:

A negative ΔG indicates that the reaction is spontaneous under the given conditions.

What does a negative ΔG indicate about a chemical reaction?

What does a negative ΔG indicate about a chemical reaction?

Step 1: Understand what ΔG means. ΔG is the change in free energy of a reaction.
Step 2: Know that free energy is a measure of the energy available to do work in a system.
Step 3: Recognize that a negative ΔG value means that the free energy of the products is lower than that of the reactants.
Step 4: Realize that when ΔG is negative, it means the reaction can occur without needing extra energy input.
Step 5: Conclude that a negative ΔG indicates the reaction is spontaneous, meaning it can happen naturally under the given conditions.

Gibbs Free Energy – ΔG (Gibbs Free Energy change) is a thermodynamic potential that indicates the spontaneity of a reaction.
Spontaneity of Reactions – A negative ΔG signifies that a reaction can occur without external energy input, meaning it is spontaneous.