An aluminium vessel of mass `0.5kg` contains `0.2kg` of water at `20^(@)C` A block of iron of mass `0.2kg at 100^(@)C` is gently put into the water .Find the equilibrium temperature of the mixture,Specific beat capactities of aluminium , iron and water are `910 J kg^(-1)K^(-1) 470J kg^(-1)K^(-1) and 420J kg^(-1)K^(-1)` respectively

An aluminium vessel of mass 0.5kg contains 0.2kg of water at 20^(@)C A block of iron of mass 0.2kg at 100^(@)C is gently put into the water .Find the equilibrium temperature of the mixture, Specific heat capacities of aluminium , iron and water are 910 J kg^(-1)K^(-1) 470J kg^(-1)K^(-1) and 4200J kg^(-1)K^(-1) respectively

An aluminium vessel of mass 0.5kg contains 0.2kg of water at 20^(@)C A block of iron of mass 0.2kg at 100^(@)C is gently put into the water .Find the equilibrium temperature of the mixture, Specific heat capacities of aluminium , iron and water are 910 J kg^(-1)K^(-1) 470J kg^(-1)K^(-1) and 4200J kg^(-1)K^(-1) respectively

Calculate the heat energy required to raise the temperature of 2 kg of water from 10^@ C to 50^@ C. Specific heat capacity of water is 4200 J kg^(-1) K^(-1) .

Find the increase in mass when 1 kg of water is heated from 0^@C to 100^@C . Specific heat capacity of water = 4200 J kg^(-1) K^(-1) .

Find the increase in mass when 1 kg of water is heated from 0^@C to 100^@C . Specific heat capacity of water = 4200 J kg^(-1) K^(-1) .

An alloy consists 40% copper and 60% nickel. A piece of the alloy of mass 0.1kg is palced in a calorimeter of water equivalent is 10xx10^(-3)kg which contains 90xx10^(-3) kg of water at 10^(@)C . If the final temperature is 20^(@)C , calculate the original temperature of the alloy. (Specific heat capacity of copper =339J kg^(-1)K^(-1) and that of nickel =462J kg^(-1)K^(-1) )

When 0.1 kg of ice at 0^@ C is mixed with 0.32 kg of water at 35^@ C in a container. The resulting temperature of the mixture is 7.8^@ C . Calculate the heat of fusion of ice ( s_("water") = 4186 J kg^(-1) K^(-1) ).