C8 Rate of Chemical Change (paper 2)

This links to Topic 6 of the CGP revision guide

What you need to know

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Rates of reaction: How fast it will go

Rates of reaction are affected by 4 things:

• 1. Surface area of solid reactants (if solids used)
• 2. Temperature
• 3. Concentration of reactants (if solutions used)
• 4. The presence of a catalyst

How to calculate a rate of reaction:

Reversible reactions

Test It! Test-review-improve

1. A guide to exam questions with example questions and their answers can be found at BBC bitesize at https://www.bbc.co.uk/bitesize/guides/zxqtrwx/revision/1

2. Complete the summary questions on page 146 of the kerboodle textbook and check your answers with the document below

3. Complete the practice questions on page 147 of the kerboodle textbook and check your answers with the document below

4. Collection of exam style questions for C8 with answers at the back of the pdf

5. A collection of exam style questions can be found here https://www.physicsandmathstutor.com/chemistry-revision/gcse-aqa/rate-and-extent-of-chemical-change/ or https://mathsmadeeasy.co.uk/gcse-chemistry-revision/gcse-chemistry-exam-questions-by-topic/