Question

A gas expands against a variable pressure given by  p=V20​During expansion from volume of 1 litre to 1 litre, the gas undergoes a change in internal energy of 400 J. what is the name of this process​

Answer 1

Answer:

Correct option is C)

ΔU=W+Q

W=∫Pdv

=−∫

V

20

dv=−20ln

V

1

V

2

=−20×ln(10)atmL

∴Q=400+20×101.3

≃5066.8

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