5. Kinetics

Concentration Changes Over Time — Quiz

Test your understanding of concentration changes over time with 5 practice questions.

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Practice Questions

Question 1

In a reaction, what does it mean when the concentration of a reactant decreases over time?

Question 2

Which statement best describes a rate of reaction based on concentration changes over time?

Question 3

If the concentration of a product increases from $0.20\,\text{M}$ to $0.50\,\text{M}$ in $10\,\text{s}$, what is the average rate of product formation?

Question 4

Which concentration change would most strongly suggest that a reaction is happening quickly at the beginning?

Question 5

What is the main purpose of a concentration-time graph in kinetics?