A copper calorimeter contains 82 g of water at 16^(@)C. When 4000 cal of heat is supplied to it, the temperature rises to 41^(@)C. Find the water equivalent of the calorimeter. Also find its mass. (specific heat capacity of copper is 0.42 "J/g"^(@)C)

A copper calorimeter contains 82 g of water at 16^(@)C. When 4000 cal

1.	A copper calorimeter contains 82 g of water at 16^(@)C. When 4000 cal of heat is supplied to it, the temperature rises to 41^(@)C. Find the water equivalent of the calorimeter. Also find its mass. (specific heat capacity of copper is 0.42 "J/g"^(@)C)
Answer» ANSWER :78G, 780g