A sphere of aluminium of 0.047 kg is placed for sufficient time in a vessel containing boiling water, so that the sphere is at `100^(@)` C. It is then immediately transferred to 0.14 kg copper calorimeter containing 0.25 kg of water at `20^(@)` C. The temperature of water rises and attains a steady state at `23^(@)`Calculate the specific heat capacity of aluminium. (Give specific heat of copper `=0.386xx10^(3)Jkg^(-1)K^(-1))`.

A sphere of alumininum of mass 0.047 kg placed for sufficient time in a vessel containing boling water, so that the sphere is at 100^(@)C . It is then immediately transferred to 0.14 kg copper calorimeter containing 0.25 kg of water at 20^(@) C . The temperature of water rises and attains a steady state at 23^(@)C . calculate the specific heat capacity of aluminum. Specific heat capacity of copper = 0.386 xx 10^(3) J kg^(-1) K^(-1) . Specific heat capacity of water = 4.18 xx 10^(-3) J kg^(-1) K^(-1)

500 kg of water is heated from 20^(@) to 100^(@) C . Calculate the increase in the mass of water.Given specific heat of water =4.2 xx 10^(3) J kg ^(-1) .^(@)C^(-1) .

100 g of ice at 0^(@)C is mixed with 0.25 kg of water at 0^(@)C The net transfer of heat is _______

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) .

In an experiment to determine the specific heat of aluminium, piece of aluminimum weighing 500 g is heated to 100 .^(@) C . It is then quickly transferred into a copper calorimeter of mass 500 g containing 300g of water at 30 .^(@) C . The final temperature of the mixture is found to be 146.8 .^(@) c . If specific heat of copper is 0.093 cal g^-1 .^(@) C^-1 , then the specific heat aluminium is.

A 0.20 kg lead ball is heated to 90.0^(@)C and dropped into an ideal calorimeter containing 0.50 kg of water initially at 20.0^(@)C . What is the final equilibrium temperature of the lead ball ? The specific heat capacity of lead is 128 J //( kg. ""^(@)C ) , and the specific heat of water is 4186 J // ( kg. ""^(@)C ) .

In a container containing 0.2 kg of water at 40^@C , 0.2 kg of ice at 0^@C is mixed. Calculate the heat of fusion of ice if the resulting temperature is 5.5^@C . Take, Specific heat of water = 4186 J kg^(-1)K^(-1)

A calorimeter contains 0.2 kg of water at 30^@C . 0.1 kg of water at 60^@C is added to it, the mixture is well stirred and the resulting temperature if found to be 35^@C . The thermal capacity of the calorimeter is