Question

what will be the volume of 20 litre of a gas when it is compressed from 1atm to 200 atm pressure at constant pressure
​

Answer 1

explanation

ANSWER

Given: Q=−8 J, V

1

=400 cm

2

=0.4L

V

2

=200 cm

3

=0.2 L

Work=−P

ext

(V

2

−V

1

)

W=−0.5 atm(0.2−0.4)L

W=0.5×0.2 L−atm=0.1 L−atm

W=0.1×101.33 Joule

W=10.13 J

[1 L−atm=101.33 J]

From first law of thermodynamics,

△U=Q+W

△U=−8 J+10.13 J

△U=2.13 J

Answer 2

Answer:

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Explanation:

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