Question detail
When measuring the rate of a reaction by collecting gas, what is typically measured?
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. The temperature of the reaction mixture
- B. The volume of gas produced over time
- C. The color change of the solution
- D. The mass of the solid reactant
Answer
The volume of gas produced over time
Explanation
The correct answer is The volume of gas produced over time. This answer directly addresses the question: When measuring the rate of a reaction by collecting gas, what is typically measured? 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 Practical Methods
Students often confuse collecting gas with measuring mass loss as methods for investigating reaction rates.
Clearly differentiate between the two methods: collecting gas involves measuring the volume of gas produced, while measuring mass loss involves tracking the decrease in mass of reactants.
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