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5.1 Exothermic and endothermic reactions

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Question 19
H

The overall energy change of a reaction is +92 kJ/mol. Which statement about the reaction is correct?

[1]
A

It is exothermic, and more energy is released making bonds than is used breaking them

B

It is exothermic, and more energy is used breaking bonds than is released making them

C

It is endothermic, and more energy is released making bonds than is used breaking them

D

It is endothermic, and more energy is used breaking bonds than is released making them

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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