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8.1 Rates of reaction

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Question 15
F

For a reaction between gases, increasing pressure at constant temperature increases rate because

[1]
A

particles are closer together and collide more often

B

the activation energy is lowered by the pressure

C

a greater proportion of collisions have enough energy

D

particles move faster, so they collide more often

Markscheme

8.1 Rates of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Rates of reaction

54 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.

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