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Question

If 1 gm of steam at 1000 C is sent into 1 gm of ice at 00 C, final condition of the mixture is


A
43 gm of Water and 13 gm of Steam both at 100 C
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B
43 gm of ice and 13 gm of water both at 0°C
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C
43 gm of water and 23 gm of Steam both at 100 C
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D
2 gm of ice at 0°C
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Solution

The correct option is C 43 gm of water and 23 gm of Steam both at 100 C

Heat required to melt ice and to convert into water at 100C=1×80+1×1×100=180 cal. This heat is provided by steam of mass m by condensing then, 180 cal =m×540 cal m=13 gm i.e. 23gm of steam is uncondensed. So the final mixture is 43gm of water at 100C.


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