Air, initially at

373K,1atm

, and

V_(1)=1

liter undergoes two successive reversible expansions - a reversible isothermal expansion to some intermediate volume

V_(a)

, followed by a reversible adiabatic expansion to a final volume

V_(2)=3

liters, cooling the gas to final temperature of

273K

. Calculate

V_(a),Q

, and

W

, for the process. Assume ideal gas behavior.

5) Air, initially at 373K,1atm, and V1=1 liter undergoes two successive reversible expansions - a reversible isothermal expansion to some intermediate volume Va, followed by a reversible adiabatic expansion to a final volume V2=3 liters, cooling the gas to final temperature of 273K. Calculate Va,Q, and W, for the process. Assume ideal gas behavior