Problem: A 2.56 g sample of a substance suspected of being pure gold is warmed to 72.4 oC and submerged into 15.6 g of water initially at 24.6 oC. The final temperature of the mixture is 26.6 oC.What is the heat capacity of the unknown substance?

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-qunknonwn =qwater-(mcT)unknown =(mcT)water

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A 2.56 g sample of a substance suspected of being pure gold is warmed to 72.4 oC and submerged into 15.6 g of water initially at 24.6 oC. The final temperature of the mixture is 26.6 oC.

What is the heat capacity of the unknown substance?

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Our tutors have indicated that to solve this problem you will need to apply the Thermal Equilibrium concept. You can view video lessons to learn Thermal Equilibrium. Or if you need more Thermal Equilibrium practice, you can also practice Thermal Equilibrium practice problems.