Question
Question: An ideal gas expands in such a manner that its pressure and volume can be related by equation PV<sup...
An ideal gas expands in such a manner that its pressure and volume can be related by equation PV2 = constant. During this process, the gas is
A
Heated
B
Cooled
C
Neither heated nor cooled
D
First heated and then cooled
Answer
Cooled
Explanation
Solution
pV2 = const. Adiabatic ®DW = + ve
\ DU = – Ve T = –Ve, T ¯