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Thermal Physics

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1 Feb 2010 21:47:01 IST

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CALORIMETRY_ QUESTIONS FROM HCV(Kindly explain the procedure)

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6. A cube of ice (density=8000kg/m^3, specific heat capacity = 470J/Kg-K) is heated to a high temperature and is palced on a block of ice at 0^0 C.The cube melts the ice below it , displaces the water and sinks.In the final equilibrium position , its upper surface just goes inside the ice.Calculate the initial temperature of the cube.Neglect any loss of heat outside the ice and the cube. The density of the ice =900 kg/m^3 and the latent heat of fusion of ice=3.36 x 10^5J/kg 7.1kg of ice at 00 C is mixed with 1kg of ice at 1000 C .What will be the composition of the system when the thermal equilibrium is reached?Latent heat of fusion of ice=3.36 x 10^5 J/kg and

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Martha

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Joined: 8 Jun 2009

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6 Feb 2010 17:53:41 IST

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Please help!!!!

jasraj date

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12 Mar 2010 23:23:37 IST

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in both d cases u will have to use relation between latent heat of vapourisation and Latent heat of fusion equations........i.e. Q=mL & Q=msdT

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