Calculating Gradients (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): 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 of a graph tell us?
What does the gradient of a graph tell us?
How steep a line is
What is a tangent to a curve?
What is a tangent to a curve?
A line touching at one point only
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 the rate of reaction
What is the first step in calculating a gradient?
What is the first step in calculating a gradient?
Draw a tangent to the curve
How do you find the change in amount of substance?
How do you find the change in amount of substance?
Find difference between 2 y-axis pts
What units might the amount of substance be measured in?
What units might the amount of substance be measured in?
Grams, , or moles
How do you find the change in time?
How do you find the change in time?
Find difference between 2 x-axis pts
What is the formula for calculating gradient?
What is the formula for calculating gradient?
If gas amount changes by over s, what is the rate of reaction?
If gas amount changes by over s, what is the rate of reaction?
/s
What does the gradient at a specific point on the curve tell us?
What does the gradient at a specific point on the curve tell us?
Rate of reaction at that moment
Why use tangents instead of average rates?
Why use tangents instead of average rates?
To measure rate at a specific moment
Why is calculating the gradient useful in chemical reactions?
Why is calculating the gradient useful in chemical reactions?
Rate of reaction often changes