Post-UTME Chemistry 2011 Objective — Question 5
Question 5 of 11 from the Post-UTME Screening (Post-UTME) Chemistry 2011 Objective paper, with the correct answer and a full explanation.
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Which of the changes determines the spontaneity of a chemical reaction?
- A. volume of the reactants
- B. free energy of the systemCorrect
- C. entropy of the system
- D. enthalpy of the system
Explanation
The Gibbs free energy change (delta-G) determines whether a reaction is spontaneous.
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