Question: If ΔG is negative for a reaction, what can be inferred?
Options:
The reaction is non-spontaneous.
The reaction is at equilibrium.
The reaction is spontaneous.
The reaction requires energy input.
Correct Answer: The reaction is spontaneous.
Solution:
A negative ΔG indicates that the reaction is spontaneous under the given conditions.
If ΔG is negative for a reaction, what can be inferred?
Practice Questions
Q1
If ΔG is negative for a reaction, what can be inferred?
The reaction is non-spontaneous.
The reaction is at equilibrium.
The reaction is spontaneous.
The reaction requires energy input.
Questions & Step-by-Step Solutions
If ΔG is negative for a reaction, what can be inferred?
Correct Answer: The reaction is spontaneous.
Step 1: Understand what ΔG means. ΔG is the change in free energy of a reaction.
Step 2: Know that a negative ΔG value indicates that the energy of the products is lower than the energy of the reactants.
Step 3: Recognize that when ΔG is negative, it means the reaction can occur without needing extra energy from outside.
Step 4: Conclude that a negative ΔG means the reaction is spontaneous, meaning it will happen on its own under the given conditions.
Gibbs Free Energy – ΔG (Gibbs Free Energy change) indicates the spontaneity of a reaction; a negative value suggests that the reaction can occur without external energy input.
Spontaneity of Reactions – A negative ΔG signifies that the reaction is thermodynamically favorable and will proceed in the forward direction under the specified conditions.
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