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A 5 g piece of ice at −20∘C is put into 10 g of water at 30∘C. Assuming that heat is exchanged only between the ice and the water, find the final temperature of the mixture. Specific heat capacity of ice = 2100 J kg−1∘C−1, specific heat capacity of water = 4200 J kg−1∘C−1 and latent heat of fusion of ice = 3.36 × 105 J kg−1. |
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Answer» A 5 g piece of ice at −20∘C is put into 10 g of water at 30∘C. Assuming that heat is exchanged only between the ice and the water, find the final temperature of the mixture. Specific heat capacity of ice = 2100 J kg−1∘C−1, specific heat capacity of water = 4200 J kg−1∘C−1 and latent heat of fusion of ice = 3.36 × 105 J kg−1. |
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