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6.1 Rate of reaction

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Question 19
H

A tangent drawn to a curve of volume of gas against time at 30 s passes through the points (10 s,18 cm3)(10\ \text{s}, 18\ \text{cm}^3)(10 s,18 cm3) and (50 s,66 cm3)(50\ \text{s}, 66\ \text{cm}^3)(50 s,66 cm3). What is the rate of reaction at 30 s?

[1]
A

0.83 cm3/s0.83\ \text{cm}^3\text{/s}0.83 cm3/s

B

1.2 cm3/s1.2\ \text{cm}^3\text{/s}1.2 cm3/s

C

1.6 cm3/s1.6\ \text{cm}^3\text{/s}1.6 cm3/s

D

2.1 cm3/s2.1\ \text{cm}^3\text{/s}2.1 cm3/s

Markscheme

6.1 Rate of reaction Questions

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

41 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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