Concentration–Time Graphs (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is continuous monitoring in chemical reactions?
What is continuous monitoring in chemical reactions?
Taking measurements at regular intervals
Which filter should be used for orange/brown iodine in colorimetry?
Which filter should be used for orange/brown iodine in colorimetry?
Green/blue filter
What shape is a concentration-time graph for a zero order reaction?
What shape is a concentration-time graph for a zero order reaction?
Straight line with negative gradient
What shape is a concentration-time graph for a first order reaction?
What shape is a concentration-time graph for a first order reaction?
Downward curve with decreasing gradient
What is special about half-life in first order reactions?
What is special about half-life in first order reactions?
It remains constant
What are the units of for a first order reaction?
What are the units of for a first order reaction?
What is the formula for using half-life for first order reactions?
What is the formula for using half-life for first order reactions?
What is the relationship between concentration and light absorption in colorimetry?
What is the relationship between concentration and light absorption in colorimetry?
Directly proportional
How can you confirm a reaction is first order?
How can you confirm a reaction is first order?
Measure successive half-lives; if equal
Why is the half-life formula preferred over the tangent method for finding ?
Why is the half-life formula preferred over the tangent method for finding ?
More accurate; no subjective tangents