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8.2 Heat energy changes in chemical reactions

8.2 Heat energy changes in chemical reactions

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Question 22

When potassium hydroxide solution is neutralised with an acid, there is a temperature change.

A student is given dilute nitric acid and dilute ethanoic acid of the same concentration in mol dm−3\text{mol dm}^{-3}mol dm−3.

Devise a plan to compare the temperature changes produced when potassium hydroxide solution is neutralised with each of these two acids.

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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.

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