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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.

https://brainmass.com/chemistry/energetics-and-thermodynamics/classic-heat-transfer-heat-capacity-problem-140774

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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.