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Question

When 0.15kg of ice at 0oC is mixed with 0.30kg of water at 50oC in a container, the resulting temperature is 6.7oC. Calculate latent heat of melting of ice.
(Specific heat of water is 4.186×103JKg1).

  1. 3.69×105Jkg1
  2. 5.46×105Jkg1
  3. 2.23×105Jkg1
  4. 3.34×105Jkg1

A
5.46×105Jkg1
B
3.34×105Jkg1
C
2.23×105Jkg1
D
3.69×105Jkg1
Solution
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When 0.15kg of ice at 0oC is mixed with 0.30kg of water at 50oC in a container, the resulting temperature is 6.7oC. Calculate latent heat of melting of ice.
(Specific heat of water is 4.186×103JKg1).

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