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8.2 Heat energy changes in chemical reactions

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Question 5
F

The temperature of a solution rises during a reaction. What does this show?

[1]
A

The reaction is endothermic

B

The reaction is exothermic

C

Energy is released as bonds are broken

D

The reaction must be a neutralisation

Markscheme

8.2 Heat energy changes in chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /8.2 Heat energy changes in chemical reactions

53 exam-style questions on Edexcel GCSE Chemistry 8.2 Heat energy changes in chemical reactions, covering 8.2.1 Exothermic and endothermic changes, 8.2.2 Bond breaking, bond making and overall energy change, 8.2.3 Calculating energy change from bond energies, and 8.2.4 Activation energy and reaction profiles. Each one has a worked solution and a mark scheme showing where the marks go.

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