Question: What does a negative ΔG value signify in a biochemical reaction?
Options:
The reaction is at equilibrium
The reaction is non-spontaneous
The reaction is spontaneous
The reaction requires energy input
Correct Answer: The reaction is spontaneous
Solution:
A negative ΔG value indicates that the reaction is spontaneous and can occur without external energy input.
What does a negative ΔG value signify in a biochemical reaction?
Practice Questions
Q1
What does a negative ΔG value signify in a biochemical reaction?
The reaction is at equilibrium
The reaction is non-spontaneous
The reaction is spontaneous
The reaction requires energy input
Questions & Step-by-Step Solutions
What does a negative ΔG value signify in a biochemical reaction?
Step 1: Understand what ΔG means. ΔG is the change in free energy during a reaction.
Step 2: Know that a negative ΔG value means that the energy of the products is lower than the energy of the reactants.
Step 3: Realize that when ΔG is negative, it means the reaction can happen on its own.
Step 4: Conclude that a negative ΔG indicates the reaction is spontaneous and does not need extra energy to occur.
Gibbs Free Energy – A thermodynamic potential that measures the maximum reversible work obtainable from a thermodynamic system at constant temperature and pressure.
Spontaneity of Reactions – A negative ΔG indicates that a reaction can proceed without the input of additional energy, meaning it is thermodynamically favorable.
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