Calculating Rates of Reactions (AQA GCSE Chemistry): Flashcards

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Calculating Rates of Reactions
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Rate of reaction definition

How fast reactants used up or products formed

Importance of rates of reaction

Understand efficiency; useful in industry

Mean rate formula (reactants)

AmountofReactantUsedTimeTaken\frac{Amount of Reactant Used}{Time Taken}

Mean rate formula (products)

AmountofProductFormedTimeTaken\frac{Amount of Product Formed}{Time Taken}

Higher rate means

Faster reaction

Lower rate means

Slower reaction

Unit for amount (mass)

Grams (g)

Unit for amount (volume)

Cubic centimetres (cm³)

Time unit in rate calculations

Seconds (s)

Rate unit when using mass

g/s

Rate unit when using volume

cm³/s

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