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Question

Calculate the quantity of heat required to convert 10 kg of ice at 0 to water at 50C would be. Specific heat of water is 4200 J/kg C.
  1. 4506 kJ
  2. 3360 kJ
  3. 5460 kJ
  4. 5460 J

A
4506 kJ
B
5460 J
C
3360 kJ
D
5460 kJ
Solution
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we know that,
W=mL+mcθ
W= 10(336+ 4.2(50))= 5460 kJ
so quantity of heat required is 5460 J

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Calculate the quantity of heat required to convert 10 kg of ice at 0 to water at 50C would be. Specific heat of water is 4200 J/kg C.
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