Figure 5 shows a graph of the volume of oxygen gas produced over time during the catalytic decomposition of hydrogen peroxide.
Draw a tangent to the curve at 60 seconds60\text{ seconds}60 seconds.
Use this tangent to calculate the rate of reaction at 60 seconds60\text{ seconds}60 seconds.
Practise Edexcel GCSE Chemistry Rates of reaction with exam-style questions for Foundation and Higher tier. 166 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
