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JAMB Chemistry 2011 Question 27

Question 27

Energy Changes

In the diagram above, X is the

Diagram for this question
  1. A.enthalpy
  2. B.enthalpy change
  3. C.activation energy
  4. D.activated complex
Show the answer and explanation

Answer: B (enthalpy change)

Explanation

X is the energy gap between reactants and products, which is the enthalpy change (ΔH) of the reaction.