Calculating Rates of Reactions (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
11 cards from this deck
Rate of a chemical reaction (definition)
Rate of a chemical reaction (definition)
How quickly reactants used up or products formed
Importance of reaction rates
Importance of reaction rates
Show efficiency, useful in industrial processes
Formula: mean rate using reactants
Formula: mean rate using reactants
Formula: mean rate using products
Formula: mean rate using products
Higher rate indicates
Higher rate indicates
Faster reaction
Lower rate indicates
Lower rate indicates
Slower reaction
Units for amount in rate calculations
Units for amount in rate calculations
Grams (g) or cubic centimetres (cm³)
Unit for time in rate calculations
Unit for time in rate calculations
Seconds (s)
Units for rate of reaction
Units for rate of reaction
g/s or cm³/s
Rate: 0.12 g Mg used in 45 s
Rate: 0.12 g Mg used in 45 s
0.00267 g/s
Rate: 100 cm³ hydrogen formed in 45 s
Rate: 100 cm³ hydrogen formed in 45 s
2.22 cm³/s