A portion of oxygen is heated at a constant pressure until the volume of the gas increases 2 times, and then cooled at the resulting volume. until the gas has given up all the heat received during exp

Question

A portion of oxygen is heated at a constant pressure until the volume of the gas increases 2 times, and then cooled at the resulting volume. until the gas has given up all the heat received during expansion. If initial temperature was 200 K , what was final temperature (in K ) ?

Answer:

120

Solution:

$V_{d o u b l es} \Rightarrow T_{d o u b l es}$

$H_{b} = \frac{7}{2} n R (2 T - T) + \frac{5}{2} R n (T_{3} - 2 T) T_{3} = 120 K$

TestHub · Accepted Answer

V d o u b l es ​ ⇒ T d o u b l es ​ ​ H b ​ = 2 7 ​ n R ( 2 T − T ) + 2 5 ​ R n ( T 3 ​ − 2 T ) T 3 ​ = 120 K ​

Physics - Heat & Thermo Question with Solution | TestHub

Doubts & Discussion

JEE Advanced (2028)