Enzyme E speeds up a reaction inside a bacterium.
Which statement about the effect of enzyme E on this reaction is correct?
The total mass of product formed becomes greater.
The overall energy change of the reaction stays the same.
The energy level of the reactants is lowered.
The reacting particles are given more kinetic energy.
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.