Question

PROBLEM 1. A sample of nitrogen with a volume of 500 mL at a
pressure of 760 torr is to be compressed to a volume of 450
mL. What pressure is needed to do this if the temperature is
kept constant?​

Answer 1

Answer:

84.44 torr

Explanation:

For a constant temperature ( isothermal ) process-

P1V1 = P2V2

P1 = 760 torr

V1 = 500 mL

V2 = 450 mL

P2 = P1V1/V2

P2 = 760 × 500/450 mL

P2 = 844.44 torr

ΔP = P2 - P1 = 84.44 torr

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