If pressure is halved at constant temperature, what happens to the volume?

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Multiple Choice

If pressure is halved at constant temperature, what happens to the volume?

Explanation:
This tests how pressure and volume relate for a gas at constant temperature. For a fixed amount of gas, the product P × V stays the same (Boyle’s Law). If the pressure is halved, the volume must double to keep PV constant. So the volume increases, becoming twice as large as before. The other options don’t fit because they wouldn’t keep the product PV equal to its original value (remains the same, decreases, or tripling would require different pressure changes).

This tests how pressure and volume relate for a gas at constant temperature. For a fixed amount of gas, the product P × V stays the same (Boyle’s Law). If the pressure is halved, the volume must double to keep PV constant. So the volume increases, becoming twice as large as before. The other options don’t fit because they wouldn’t keep the product PV equal to its original value (remains the same, decreases, or tripling would require different pressure changes).

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