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5.1 Exothermic and endothermic reactions

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Question 25
H

Reactions X and Y have the same reactants and the same products, but reaction X has a higher activation energy than reaction Y. Which statement is correct?

[1]
A

Reaction X transfers more energy to the surroundings than reaction Y

B

Reaction X is exothermic and reaction Y is endothermic

C

The products of reaction X store more energy than those of reaction Y

D

Reaction X and reaction Y have the same overall energy change

Markscheme

5.1 Exothermic and endothermic reactions Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Exothermic and endothermic reactions

39 exam-style questions on AQA GCSE Chemistry 5.1 Exothermic and endothermic reactions, covering 5.1.1 Energy transfer during exothermic and endothermic reactions, 5.1.2 Reaction profiles, and 5.1.3 The energy change of reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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