Rate of Reaction (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
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Practise the questions
10 questions from this quiz
What does the rate of a chemical reaction measure?
What does the rate of a chemical reaction measure?
How quickly the reaction happens
Why are rates of reaction particularly important?
Why are rates of reaction particularly important?
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?
In which units is the amount of reactant or product usually measured?
In which units is the amount of reactant or product usually measured?
Grams (g) or cubic centimetres (cm³)
In which unit is time measured when calculating rate of reaction?
In which unit is time measured when calculating rate of reaction?
Seconds (s)
Which units are used to express rate of reaction?
Which units are used to express rate of reaction?
g/s or cm³/s
What does a higher rate of reaction indicate?
What does a higher rate of reaction indicate?
A faster reaction
If g of Mg reacts in s, what is the mean rate?
If g of Mg reacts in s, what is the mean rate?
0.00267 g/s
If cm³ of forms in s, what is the mean rate?
If cm³ of forms in s, what is the mean rate?
2.22 cm³/s