Two substances, A and B, initially at different temperatures, come into contact

Question

Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.39g and its initial temperature is 20.2?C. The mass of substance B is 25.2g and its initial temperature is 52.2?C. The final temperature of both substances at thermal equilibrium is 46.2?C.

Part A If the specific heat capacity of substance B is 1.17 J/g??C, what is the specific heat capacity of substance A? Express your answer using two significant figures.

C=________________ J/g??C

Explanation / Answer

Qreceived = Qreleased

6.39g x 1.17 Jg-1

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