Exam-style question
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What is the effect of increasing the number of gas molecules in a container at constant volume and temperature?.
- A.Pressure decreases
- B.Pressure increases
- C.Volume increases
- D.Temperature increases
Model answer
What a good answer should say
- Pressure increases
Explanation
Why this works
Increasing the number of gas molecules in a fixed volume at constant temperature increases the frequency of collisions with the walls of the container, resulting in an increase in pressure according to the ideal gas law.
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