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Hess's Law - Temperature

Please answer step-by-step with solutions:

A 150.0 iron bar at 330 degrees C is put in 1.00 kg water at 20.0 degrees C. What is the final temperature of the bar?
(Hint: bar and water will be the same at the end.)

Cs = 0.45J/(grams degree C) for iron
Cs = 4.18J/(grams degree C) for water

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Solution Preview

Dear student,

Assuming all of the heat released from the iron bar absorbed by water, you can than set up the following two equations:

For the heat released by the iron ...

Solution Summary

The solution is given step-by-step to solve for T2.