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- IIT JAM
- Physics (PH)
2) water has a constant heat capacity of 4.2 j/k/kg over the temperature range 0-100 c. a kilogram of water, initially at ocis brought in contact with a heat re
2) Water has a constant heat capacity of 4.2 J/K/kg over the temperature range 0-100 C. A kilogram of water, initially at OCis brought in contact with a heat reservoir at 100 C. When the water comes to equilibrium, what is the total change in entropy of the universe? [Question ID = 12978] 1. 2437.8 J/K [Option ID 21909] 2. 1310.8 J/K [Option ID = 21911] 3. 184.8 J/K [Option ID 21912] 4. 369.2 J/K [Option ID = 21910] er yer Correct Answer : 2437.8 J/K [Option ID = 21909] ENG
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Gazal
there is a correction in question instead of 4.2 it is 4200 and the answer given above by animesh anand is wrong
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Animesh anand
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kindly find your answer attached below.the specific heat of water is 4200j/k/kg not 4.2
![cropped1490661796463228208.jpg]()
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can you please tell me the reason behind the multiplying 1000 in the discussion of heat gained by the surrounding
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simply the heat capacity is 4200 and temperature change is 100.
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it is 100 not 1000
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Gazal
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