Rate of reaction on a graph (AQA GCSE Chemistry Combined Science): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the gradient (steepness) of the line on a reaction graph show?
What does the gradient (steepness) of the line on a reaction graph show?
The rate of reaction
What does a steeper line on a reaction graph indicate?
What does a steeper line on a reaction graph indicate?
The reaction is happening faster
What gas is produced when marble chips react with dilute hydrochloric acid?
What gas is produced when marble chips react with dilute hydrochloric acid?
Carbon dioxide
What should be plotted on the y-axis of a reaction rate graph?
What should be plotted on the y-axis of a reaction rate graph?
Volume in cm³
What should be plotted on the x-axis of a reaction rate graph?
What should be plotted on the x-axis of a reaction rate graph?
Time in minutes
What should you do with anomalous points when drawing a best-fit line?
What should you do with anomalous points when drawing a best-fit line?
Ignore them
What usually causes anomalous points in experimental data?
What usually causes anomalous points in experimental data?
Measurement errors
What does the line look like at the start of a reaction?
What does the line look like at the start of a reaction?
Steep, showing the reaction is fast
What does a flat line on a reaction graph indicate?
What does a flat line on a reaction graph indicate?
The reaction has stopped
Why does the reaction slow down as time goes on?
Why does the reaction slow down as time goes on?
Fewer particles available to react
What is the formula for calculating average rate of reaction?
What is the formula for calculating average rate of reaction?
Using the data, what volume of gas was produced after 1 minute?
Using the data, what volume of gas was produced after 1 minute?
87 cm³