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A body made up of an alloy (40% copper +...

A body made up of an alloy (40% copper +60% nickel) of mass 0.1 kg is placed in a container of water equivalent 10 gm which contains 90 g of water at `10^(@)C`. If the equilibrium temperature is `20^(@)C`, find the initial temperature of the body. Given that specific heat of water is `4200 J//kg^(@)C` and that of copper is `420J//kg^(@)C` and that of nickel is `460 J//kg^(@)C`

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The correct Answer is:
`114.6^(@)C`
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About 5 g water at 30^(@)C and 5 g is at -20^(@)C are mixed in a container of negligible heat capacity. Find the final temperature and composition of the mixture. Given that specific heat of water is 4200J//kg^(@)C and that of ice of 2100//kg^(@)C and latent heat of ice is 3.36xx10^(5) J/Kg

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A copper calorimeter of mass 190 g contains 300 g of water at 0^(@)C and 50 g of ice at 0^(@)C .Find the amount of steam at 100^(@)C required to raise the temperature of this mixture by 10^(@)C . Given that the specific heat of copperis 420J//kg^(@)C , latent heat of vaporization of water is 2.25xx10^(5)xxJ//kg and latent heat of fusion of ice is 3.36xx10^(5)J//kg .

When a 0.45 kg of ice at 0^(@)C mixed with 0.9 kg of water at 55^(@)C in a container, the resulting temperature is 10^(@)C . Calculate the heat of fusion of ice. Specific heat of water is 4186 j kg^(-1) K^(-1) .

Find the final temperature and composition of the mixtue of 1 kg of ice at 0^(@)C and 1.5 kg of water at 45^(@)C . Given that specific heat of water is 4200 J/kg and latent heat of fusion of ice is 3.36xx10^(5)J//kg

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