Question detail
How does the pressure of reacting gases affect the rate of a chemical reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Rate of reaction
Question
How does the pressure of reacting gases affect the rate of a chemical reaction?
Answer
Increasingthe pressure of reactinggases usually increases the rate of reaction. This is because higher pressure compresses the gas molecules, leadingto more frequent collisions between them.
Explanation
This question tests the understandingof how pressure influences reaction rates, a key concept in the study of chemical kinetics. The answer demonstrates a clear link between pressure and collision frequency, which is fundamental to the rate of reaction.
Common mistake
Misunderstanding Pressure Effects
Students often think that increasing pressure will always increase the rate of reaction without considering the specific reaction conditions.
Emphasize that increasing pressure increases the concentration of gas molecules, leading to more frequent collisions, which generally increases the reaction rate.
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