Question detail
In a gas‑volume experiment, 24.0 cm³ of gas is produced in 3.00 s. What is the mean rate of gas production in cm³ s⁻¹?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Rate of reaction
Question
- A. 8.00 c³ s⁻¹
- B. 4.00 c³ s⁻¹
- C. 2.00 c³ s⁻¹
- D. 1.00 c³ s⁻¹
Answer
8.00 c³ s⁻¹
Explanation
The correct answer is 8.00 c³ s⁻¹. This answer directly addresses the question: In a gas‑volume experiment, 24.0 cm³ of gas is produced in 3.00 s. What is the mean rate of gas production in cm³ s⁻¹? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misunderstanding Concentration Effects
Students often think that increasing concentration has no effect on reaction rate.
To fix this, remember that increasing concentration usually increases the number of particles in a given volume, leading to more frequent collisions and a faster reaction rate.
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