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10 gram of water at 45^(@)C is added to ...

10 gram of water at `45^(@)C` is added to 5 gram of ice at ` -30^(@)C`. Find the final temperature of the mixture. Specific heat of ice is 0.55 cal `g^(-1)""^(@)C^(-1)` and that of water is 1.0 cal `g^(-1)""^(@)C^(-1)` latent heat of fusion of ice is 80 cal `g^(-1)` ?
(ii) To rise the temperature of 100 gram of water from `24^(@)` to `90^(@)C` by steam at `100^(@)C` . Calculate the amount of steam required. Specific heat of water is 1.0 cal `g^(-1)""^(@)C^(-1)`. Latent heat of steam is 540 Cal `kg^(-1)`.

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