Question
A gas occupies 4 L at 100 kPa. At constant temperature its volume becomes 2 L. What is the new pressure?
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Correct Answer: B. 200 kPa
Explanation:
Boyle’s law gives P₁V₁ = P₂V₂.
P₂ = 100×4÷2 = 200 kPa.
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