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3.2 Energetics

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Question 50
F

The table shows some information from a reaction profile.

Energy of reactantsEnergy at the top of the peakEnergy of products
40 kJ150 kJ95 kJ

Which row describes the reaction?

Type of reactionOverall energy change (kJ\mathrm{kJ}kJ)
Aexothermic55
Bendothermic55
Cendothermic110
Dexothermic110
[1]
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

3.2 Energetics Questions

  1. GCSE
  2. /Chemistry
  3. /3.2 Energetics

106 exam-style questions on OCR GCSE Chemistry 3.2 Energetics, covering 3.2.1 Exothermic and endothermic reactions and reaction profiles and 3.2.2 Calculating energy change from bond energies. Each one has a worked solution and a mark scheme showing where the marks go.

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