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Classic heat transfer/heat capacity problem

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A 15.00 g iron block is dropped into a beaker containing 100.0 g of water at 20.00 degrees C. At equilibrium, the temperature of the water is 22.00 degrees C. What was the initial temperature of the block?

c(water) = 4.180 J/g/ degrees C and c(Fe) = 0.449 J/g/ degrees C.

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Solution Summary

The problem concerns what happens when a hot iron block is dropped into water. The solution outlines all of the steps required to find the initial temperature of the block. Heat capacities are used to calculate heat transfers and temperature differences.

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Problem:
A 15.00 g iron block is dropped into a beaker containing 100.0 g of water at 20.00 oC. At equilibrium, the temperature of the water is 22.00 oC. What was the initial temperature of the block?
cwater = 4.180 J/g/ oC and cFe = 0.449 J/g/ oC.

Answer:

In order to do ...

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