Calculating Rates of Reactions (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What does the rate of a chemical reaction measure?
What does the rate of a chemical reaction measure?
How quickly reactants are used up or products are formed
Why are rates of reaction particularly useful in industrial processes?
Why are rates of reaction particularly useful in industrial processes?
They help understand reaction efficiency
Which formula calculates mean rate using reactants?
Which formula calculates mean rate using reactants?
Which formula calculates mean rate using products?
Which formula calculates mean rate using products?
What does a higher rate of reaction indicate?
What does a higher rate of reaction indicate?
A faster reaction
Which units are used to measure amount of reactant or product?
Which units are used to measure amount of reactant or product?
g or cm³
What unit is used to measure time in rate calculations?
What unit is used to measure time in rate calculations?
Seconds (s)
What are the units for rate when using mass measurements?
What are the units for rate when using mass measurements?
g/s
If g magnesium is used in s, what is the mean rate in g/s?
If g magnesium is used in s, what is the mean rate in g/s?
0.00267 g/s
If cm³ hydrogen forms in s, what is the mean rate in cm³/s?
If cm³ hydrogen forms in s, what is the mean rate in cm³/s?
2.22 cm³/s
What does a lower rate of reaction suggest?
What does a lower rate of reaction suggest?
A slower reaction