[" 1.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^(@)C],[" is gently put into the water.Find the equilibrium "],[" temperature of the mixture.Specific heat capacities of "],[" aluminium,iron and water are "910Jkg^(-1)K^(-1)" ,"],[470Jkg^(-1)K^(-1)" and "4200Jkg^(-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

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

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 JKg^(-1) K^(-1)

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) .

A calorimeter of negligible heat capacity contains 100cc of water at 40^(@)C . The water cools to 35^(@)C in 5minutes. The water is now replaced by k-oil of equal volume at 40^(@)C . Find the time taken for the temperature to become 35^(@)C under similar conditions. Specific heat cpacities of water and K-oil are 4200Jkg^(-1)K^(-1) and 2100Jkg^(-1)K^(-1) respectively. Density of K-oil =800kgm^(-3) .

A calorimeter of negligible heat capacity contains 100cc of water at 40^(@)C . The water cools to 35^(@)C in 5minutes. The water is now replaced by k-oil of equal volume at 40^(@)C . Find the time taken for the temperature to become 35^(@)C under similar conditions. Specific heat cpacities of water and K-oil are 4200Jkg^(-1)K^(-1) and 2100Jkg^(-1)K^(-1) respectively. Density of K-oil =800kgm^(-3) .

A calorimeter of negligible heat capacity contains 100cc of water at 40^(@)C . The water cools to 35^(@)C in 5minutes. The water is now replaced by k-oil of equal volume at 40^(@)C . Find the time taken for the temperature to become 35^(@)C under similar conditions. Specific heat cpacities of water and K-oil are 4200Jkg^(-1)K^(-1) and 2100Jkg^(-1)K^(-1) respectively. Density of K-oil =800kgm^(-3) .

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) .