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For a reaction at standard conditions, if ΔG° is positive, what can be said abou
For a reaction at standard conditions, if ΔG° is positive, what can be said about the reaction?
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Practice Questions
1 question
Q1
For a reaction at standard conditions, if ΔG° is positive, what can be said about the reaction?
The reaction is spontaneous in the forward direction.
The reaction is spontaneous in the reverse direction.
The reaction is at equilibrium.
The reaction is impossible.
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A positive ΔG° indicates that the reaction is non-spontaneous in the forward direction, thus spontaneous in the reverse.
Questions & Step-by-step Solutions
1 item
Q
Q: For a reaction at standard conditions, if ΔG° is positive, what can be said about the reaction?
Solution:
A positive ΔG° indicates that the reaction is non-spontaneous in the forward direction, thus spontaneous in the reverse.
Steps: 4
Show Steps
Step 1: Understand what ΔG° means. ΔG° is the change in free energy for a reaction at standard conditions.
Step 2: Recognize that a positive ΔG° value indicates that the energy of the products is higher than the energy of the reactants.
Step 3: Realize that if a reaction has a positive ΔG°, it means that the reaction does not occur spontaneously in the forward direction.
Step 4: Conclude that since the forward reaction is non-spontaneous, the reverse reaction must be spontaneous.
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