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Thermal equilibrium

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10.0g of Fe(s) at 98.0 degrees Celsius is placed in 50.0mL of H2O(l) at 20 degrees Celsius. Assuming no energy is lost to the surroundings what is the final temperature of Fe(s) and H2O(l) at thermal equilibrium?

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The thermal equilibrium are analyzed.

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Let t be the final temperature of iron+water
Specific heat of iron = 0.11 ...

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