passwella.
Menu

JAMB Chemistry 2014 Question 26

Question 26

Energy Changes

Z in the diagram above represents

Diagram for this question
  1. A.heat of reaction.
  2. B.activation energy.
  3. C.free energy.
  4. D.entropy of reaction.
Show the answer and explanation

Answer: A (heat of reaction.)

Explanation

Z is the energy gap between the reactants (A + B) and the products (C + D), which is the heat of reaction ΔH.