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If a gas is heated at constant pressure,...

If a gas is heated at constant pressure, its isothermal compressibility

A

decreases linearly with temperature

B

increases linearly with temperature

C

decreases linearly with temperature

D

remains constant

Text Solution

Verified by Experts

The correct Answer is:
D
Isothermal elasticity of a gas is numerically equal to its pressure. Therefore, isothermal compressiblity `= (1)/(P)`.
But P is kept constant.
Therefore, isothermal compressiblity remains constant.
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