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When 1 gm of water changes from liquid t...

When 1 gm of water changes from liquid to vapour phase at constant pressures of 1 atmosphere, the volume increases from 1 cc to 1671 cc. The heat of vaporisation at this pressure is 540 cal/gm. Increase in internal in internal energy of water is
(1 atmosphere = `1.01xx10^(6) "dyne/cm"^(2))`

A

4200 J

B

8200 J

C

1200 J

D

2100 J

Text Solution

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The correct Answer is:
D
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