53. An ideal diatomic gas undergoes an isother-
mal expansion shown by AB curve in the P-V
diagram. The amount of heat absorbed by the
gas during this process is
(take log 5 = 0.7)
A
Spo
50
isothermal
expansion
Po
B
vo
5V.
1) 5P V 12
3) 7P V /2
2) 9P V12
4) 3P V/2
0
Answers
Answered by
0
Answer:
R.E.F image
thermodynamics
Change in internal energy from
A→B
Δu=
2
f
nRΔT=
2
f
(P
2
V
2
−P
1
V
1
)
=
2
3
(2P
0
×2V
0
−P
0
V
0
)
Hef=3
=
2
9P
0
V
0
A→B
Δw=P
0
(2V
0
−V
0
)+
2
1
×V
0
×P
0
Δw=
2
3
P
0
V
0
→ Required answer
heat change =ΔQ=Δu×Δw
=
2
9
P
0
V
0
+
2
3
P
0
V
0
=6P
0
V
0
Explanation:
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