Rate Graphs (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do rate graphs show during a reaction?
What do rate graphs show during a reaction?
How reactants/products change over time
Why do rate graphs often show curves?
Why do rate graphs often show curves?
Rate of reaction changes as it progresses
What happens to a reactant curve on a rate graph?
What happens to a reactant curve on a rate graph?
It slopes downwards
What happens to a product curve on a rate graph?
What happens to a product curve on a rate graph?
It slopes upwards
When is the curve steepest on a rate graph?
When is the curve steepest on a rate graph?
At the beginning of the reaction
Why is the reaction fastest at the beginning?
Why is the reaction fastest at the beginning?
Plenty of reactant particles to collide
Why does the curve become less steep as the reaction continues?
Why does the curve become less steep as the reaction continues?
Reactants get used up
What does it mean when a rate graph curve flattens out (plateaus)?
What does it mean when a rate graph curve flattens out (plateaus)?
Reaction has stopped
What causes a rate graph to plateau?
What causes a rate graph to plateau?
No reactants left or equilibrium reached
How do you find the rate of reaction at a specific point on a graph?
How do you find the rate of reaction at a specific point on a graph?
Calculate the gradient at that point