4. Say 0.0195 moles of gas in a car engine cylinder at atmospheric pressure at 90 °C contracts

adiabatically and reversibly until it is at 2000 kPa pressure. The Cv.m of the gas is 20.8 J/K/mol

29.12 J/K/mol, so what is Aq, T₁, AU, Aw, and AH?

(14 pts)

while Cp.m

Cy+nR

nR

Hint: =

Pf

(