Question

A vessel with a movable piston contains 1.90 mol of an ideal gas with initial pressure

P_i = 2.03 ✕ 10⁵ Pa,

initial volume

V_i = 1.00 ✕ 10⁻² m³,

and initial temperature

T_i = 128 K.

(a) What is the work done on the gas during a constant-pressure compression, after which the final volume of the gas is 2.50 L?
J

(b) What is the work done on the gas during an isothermal compression, after which the final pressure of the gas is 5.50 atm?
J

(c) What is the work done on the gas during a constant-volume process, after which the final pressure of the gas is 5.50 atm?
J

Answer 1

PART A)

Work done at constant pressure is given by

PART B)

Work in isothermal process is given by

PART C)

At constant wolume work done is always ZERO

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