Skip to content

Course home

Question bank·5.1 Exothermic and endothermic reactions
Sign up

5.1 Exothermic and endothermic reactions

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940
Question 3

A reaction has the following relative energy levels:

StageEnergy (kJ)
Reactants35
Peak89
Products53

Calculate the activation energy for the reaction and explain what the energy levels show about whether it is endothermic or exothermic.

[3]
Markscheme

5.1 Exothermic and endothermic reactions Questions

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

85 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.

More questions