Rates of Reaction Worksheets, Questions, and Revision for GCSE Combined Science and Chemistry. All your revision in one place.

Q1: What is the rate law for the reaction C2H4 + I2 → C2H4I2? ... Q3: Define 'activation energy' of a reaction. Q4: Write the rate equation for the reaction 2A + ...

In a reaction the mass of a reactant decreases by 58g in 233 seconds. What is the rate? 2. In a reaction the mass of a reactant decreases by 0.43g in 80 ...

The rate of a reaction is defined as the change in concentration as a function of time. Thus, the two quantities that must be measured are the molarity of ...

Test questions: The greater the frequency of successful collisions between reactant particles, the greater the reaction rate.

What is Le Chatelier's Principle for Temperature? If the temperature of a system at equilibrium is increased: • the relative amount of products at equilibrium ...

Questions and model answers on 6.2 Rate of Reaction for the Cambridge O Level Chemistry syllabus, written by the Chemistry experts at Save My Exams.

(a) What are the overall reaction orders for the reactions described in Equations 14.9 and 14.10? (b) What are the units of the rate constant for the rate law ...

Calculate the average rate of reaction using units of time both in minutes and seconds. 2. The decomposition of NH3 on platinum surface is zero order reaction.

(a) State the time, in seconds, at which the reaction stopped. 1. (b) Calculate the average rate of reaction, in cm3 s–1, for the first 20 seconds.