GCSE Chemistry - Rates of Reaction - How to Measure it | How to Show it on Graphs (2026/27 exams)

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** WHAT'S COVERED **
1. The concept of the rate of a chemical reaction.
How the speed of a reaction is defined.
Examples of slow, moderate, and fast reactions.
2. How to calculate the average rate of reaction.
Using the quantity of reactant used over time.
Using the quantity of product formed over time.
Worked examples with units such as cm³/s, g/s, and mol/min.
3. How to represent reaction rates graphically.
Understanding that reaction rates are fastest at the start and slow down over time.
How to plot and interpret a graph of reactant amount vs. time.
How to plot and interpret a graph of product amount vs. time.

** CHAPTERS **
0:00 Introduction
0:25 Examples of Reaction Rates
0:54 How to Measure Reaction Rates
1:13 Rate of Reaction Equations
1:38 Worked Examples
2:35 Mean Rate of Reaction
2:58 Reaction Rate Graphs
3:52 Other Units for Rate of Reaction

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