Question

A calorimeter of mass 50g and specific heat capacity 0.42Jg -1 0 C -1 contains some mass of water at 20 0 C.A metal piece of mass 20g at 100 0 C is dropped into the calorimeter.After stirring, the final temperature of the mixture is found to be 22 0 C.Find the mass of water used in the calorimeter. [ specific heat capacity of the metal piece=0.3 Jg -1 0 C -1 specific heat capacity of water=4.2 Jg -1 0 C -1 ]

Answer 1

Answer:

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