Lesson Details

  • Name: Required practical 11
  • Code: C.4.10.R.3
  • Specification Reference:
  • Keywords: Variables
  • Objectives: Investigate how changes in concentration affect the rates of reactions by a method involving measuring the volume of a gas produced and a method involving a change in colour or turbidity.
  • Competency: Draw and interpret graphs showing the quantity of product formed or quantity of reactant used up against time.
  • Proficiency: Calculate the mean rate of a reaction from given information about the quantity of a reactant used or the quantity of a product formed and the time taken.
  • Mastery: Calculate the gradient of a tangent to the curve on these graphs as a measure of rate of reaction at a specific time.

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