# Thermochemistry

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A piece of tin is heated to 695 °C and dropped into 158 g of water at 23.2 °C. The temperature of the system rises to 30.7 °C. What is the mass of the tin dropped into the water?

(C = 0.227 J/g°C for tin, C = 4.18 J/g°C for water)

• Thermochemistry -

Oops, sorry. Posted a second time by accident.

• Thermochemistry -

Right. I did this for you yesterday.

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