# KEYWORDS: rate of reaction, product, reactant, time KEYWORDS: rate of reaction, product, reactant, time Understand what is meant by rate of reaction.

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KEYWORDS: rate of reaction, product, reactant, time KEYWORDS: rate of reaction, product, reactant, time Understand what is meant by rate of reaction ALL – State the definition of a rate of reaction MOST – describe reactions that occur slowly and quickly SOME – explain how rate of reaction is calculated Starter Make a list of chemical reactions that you see in every day life

EVERYDAY CHEMICAL REACTIONS Make a list of everyday chemical reactions

Rate of reaction Reactions happen at different speeds. A firework relies on a chemical reaction that happens in milliseconds whereas rusting is a chemical reaction between a metal and oxygen which can take years to happen LO: Understand what is meant by rate of reaction

Rate of reaction The rate of a reaction is how quickly the reactants are turned into products LO: Understand what is meant by rate of reaction

MUST LEARN THESE: LO: Understand what is meant by rate of reaction Rate of Reaction = Amount of reactant used _______________ Time taken Rate of Reaction = Amount of product made _______________ Time taken

Practical results – measuring rate of reaction LO: Understand what is meant by rate of reaction Time (s)Mass of mixture (g) Mass of product (g) 027.00 3025.9 6025.3 9025.0 12024.9 15024.9 18024.9

Draw a line graph. A-A*: Draw a line of best fit for your results and use your graph to calculate the rate of reaction. B: Draw a line graph of your results and explain why the rate changes throughout. C: Use your results to state where the maximum rate of reaction occurs. LO: Understand what is meant by rate of reaction

10 8 6 4 2 0 10 Minutes Start Timer State what is meant by ‘rate of reaction’ State two chemical reactions that occur in everyday life, one very quickly and one very slowly Explain how to calculate the rate of reaction

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