Calculate the entropy change when `1 kg` of water is heated from `27^(@)C` to `200^(@)C` forming supper heated steam under constant pressure. Given specific heat of water `= 4180 J Kg^(-1)K^(-1)`and specific heat of steam `= 1670 + 0.49 J kg^(-1)K^(-1)` and latent heat of vaporisation `=23 xx 10^(5) J kg^(-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) .

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) .

1 kg of water is heated from 40^(@) C "to" 70^(@)C ,If its volume remains constatn, then the change in internal energy is (specific heat of water = 4148 J kg^(-1 K^(-1))

Specific heat capacity of water is ____ J kg^(-1) K^(-1) .

Calculate the heat required to convert 3 kg of ice at -12 ^(@) C kept in a calorimeter to steam at 100^(@) C at atmospheric pressure. Given specific heat capacity of ice = 2100 J kg^(-1) K^(-1) , specific heat capacity of water = 4186 J kg^(-1) K^(-1) , latent heat of fusion of ice = 3.35 xx 10^(5) J kg^(-1) and latent heat of steam = 2.256 xx 10^(8) J kg^(-1) .