Exam-style question
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What happens to gas pressure when the volume of the gas decreases while the temperature remains constant?.
- A.The pressure increases
- B.The pressure decreases
- C.The pressure remains the same
- D.The pressure fluctuates
Model answer
What a good answer should say
- The pressure increases
Explanation
Why this works
According to Boyle's law, for a fixed amount of gas at constant temperature, the pressure of the gas is inversely proportional to its volume. Therefore, decreasing the volume increases the pressure.
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