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8.2 Heat energy changes in chemical reactions

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Question 1
F

What is an exothermic reaction?

[1]
A

A reaction that needs heating to start

B

A reaction that takes in heat energy from the surroundings

C

A reaction with no energy change

D

A reaction that transfers heat energy to the surroundings

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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