An immersion heater, in an insulated vessel of negligible heat capacity brings 10 g of water to the boiling point from `16^@C` in 7 min. Then The heat of vapourization of alcohol is

An immersion heater, in an insulated vessel of negligible heat capacity brings 10 g of water to the boiling point from 16^@C in 7 min. Then Q. Power of heat is nearly

An immersion heater, in an insulated vessel of negligible heat capacity brings 100 g of water to the boiling point from 16^@C in 7 min. Then Q. Power of heat is nearly

An immersion heater, in an insulated vessel of negligible heat capacity brings 10 g of water to the boiling point from 16^@C in 7 min. Then Q. The water is replaced by 200 g of alcohol, which is heated from 16^@C to the boiling point of 78^@C in 6 min 12 s whereas 30 g are vapourized in 5 min 6 s. The specific heat of alcohol is

An immersion heater, in an insulated vessel of negligible heat capacity brings 100 g of water to the boiling point from 16^@C in 7 min. Then Q. The water is replaced by 200 g of alcohol, which is heated from 16^@C to the boiling point of 78^@C in 6 min 12 s whereas 30 g are vapourized in 5 min 6 s. The specific heat of alcohol is

The specific heat capacity of water is ____ cal//g^(@)C

2 kg of ice at -20^(@) is mixed with 5 kg of water at 20^(@)C in an insulating vessel having a negligible heat capacity . Calculate the final mass of water remaining in the container .