Physics, asked by amohd6994, 7 months ago

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 raotd
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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