A student measures the volume of gas given off by a reaction every second. Which unit should the student use for the rate of this reaction?
cm3/s\text{cm}^3\text{/s}cm3/s
cm3/g\text{cm}^3\text{/g}cm3/g
g/cm3\text{g/cm}^3g/cm3
s/cm3\text{s/cm}^3s/cm3
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.