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Ice at −20 ∘C is added to 50 g of water at 40 ∘C, when the temperature of the mixture reaches 0 ∘C, it is found that 20 g of ice is still unmelted. The amount of ice added to the water was close to(Specific heat of water=4.2 Jg−1 ∘C−1Specific heat of Ice=2.1 Jg−1 ∘C−1Heat of fusion of water at 0 ∘C=334 Jg−1) |
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Answer» Ice at −20 ∘C is added to 50 g of water at 40 ∘C, when the temperature of the mixture reaches 0 ∘C, it is found that 20 g of ice is still unmelted. The amount of ice added to the water was close to |
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