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6.1 Rate of reaction

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Question 17

A reaction vessel is placed on a balance. Gas escapes from the vessel as the reaction takes place.

Time in sMass of vessel and contents in g
2084.62
8084.14

Calculate the mean rate of mass loss between 20 s and 80 s.

Give the unit.

[2]
Markscheme

6.1 Rate of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Rate of reaction

127 exam-style questions on AQA GCSE Chemistry 6.1 Rate of reaction, covering 6.1.1a Calculating rates of reactions, 6.1.1b Gradient of a tangent as rate, 6.1.2 Factors which affect the rates of chemical reactions, 6.1.3 Collision theory and activation energy, and 6.1.4 Catalysts. Each one has a worked solution and a mark scheme showing where the marks go.

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