Skip to content

Course home

8.2 Heat energy changes in chemical reactions

8.2 Heat energy changes in chemical reactions

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334
Question 1
F

For an exothermic reaction, which energy comparison is correct?

[1]
A

Bond breaking releases more energy than bond making absorbs

B

Bond making releases more energy than bond breaking absorbs

C

Bond breaking and making both absorb energy

D

Bond breaking and making both release energy

Markscheme

8.2 Heat energy changes in chemical reactions Questions

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

94 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.

Question bank