Question

An ideal gas, cv = (5/2)R, is expanded adiabatically against a constant pressure of 1 atm until it
doubles in volume. If the initial temperature is 25°C, and the initial pressure is 5 atm, the value of
T2 is
(a) 262 K
(b) 274 K
(c) 238 K
(d) 286 K
​

Answer 1

Answer:

274 K is the right ans ...........