12.20 WPT Two

kg

of

N_(2)

at

450K,(7)/(b)ar

is contained in a rigid tank connected by a valve to another rigid tank holding

1kg

of

O_(2)

at

300K,3

bar. The valve is opened and gases are allowed to mix, achieving an equilibrium state at

370K

. Determine\ a. the volume of each tank, in

m^(3)

.\ b. the final pressure, in bar.\ c. the heat transfer to or from the gases during the process, in

kJ

.\ d. the entropy change of each gas, in

k(J)/(K)

12.20 WP Two kg of N2 at 450K,7 bar is contained in a rigid tank connected by a valve to another rigid tank holding 1kg of O2 at 300K,3 bar. The valve is opened and gases are allowed to mix, achieving an equilibrium state at 370K. Determine a. the volume of each tank, in m3. b. the final pressure, in bar. c. the heat transfer to or from the gases during the process, in kJ. d. the entropy change of each gas, in kJ/K 12.20 WP Two kg of N2 at 450K,7 bar is contained in a rigid tank connected by a valve to another rigid tank holding 1kg of O2 at 300K,3 bar. The valve is opened and gases are allowed to mix, achieving an equilibrium state at 370K. Determine a. the volume of each tank, in m3. b. the final pressure, in bar. c. the heat transfer to or from the gases during the process, in kJ. d. the entropy change of each gas, in kJ/K