Calculating Gradients (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What does the gradient of a graph tell us?
What does the gradient of a graph tell us?
How steep a line is
Why do we calculate the gradient of a curve on a rate graph?
Why do we calculate the gradient of a curve on a rate graph?
To find rate of reaction at a moment
What is a tangent to a curve?
What is a tangent to a curve?
A line touching curve at one point only
What is the first step in calculating the gradient of a curve?
What is the first step in calculating the gradient of a curve?
Draw a tangent to the curve
What does the difference between two points on the y-axis give you?
What does the difference between two points on the y-axis give you?
Change in amount of substance
What does the difference between two points on the x-axis give you?
What does the difference between two points on the x-axis give you?
Change in time
What is the formula for calculating the gradient?
What is the formula for calculating the gradient?
If gas amount changes by cm³ over s, what is the rate of reaction?
If gas amount changes by cm³ over s, what is the rate of reaction?
cm³/s
Why are tangents important for measuring reaction rates?
Why are tangents important for measuring reaction rates?
They measure rate at a specific moment
Why is it useful to calculate gradients at different points during a reaction?
Why is it useful to calculate gradients at different points during a reaction?
Rate of reaction often changes