Skip to content

Course home

Question bank·5.1 Exothermic and endothermic reactions
Sign up

5.1 Exothermic and endothermic reactions

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940
Question 8

In a chemical plant, 560 kJ/mol is needed to break the reactant bonds in a reaction, and forming the product bonds releases 710 kJ/mol. Which statement about the reaction is correct?

[1]
A

It is exothermic, with 1270 kJ/mol released overall

B

It is endothermic, with 1270 kJ/mol taken in overall

C

It is endothermic, with 150 kJ/mol taken in overall

D

It is exothermic, with 150 kJ/mol released overall

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