Water with a mass of 0.500 kg at 15.0 degree C is mixed with 0.800 kg of water at 35.0 degree C. What is the final temperature T_f of the mixture?

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  1. the sum of heats gained is zero.

    solve for Tf

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  2. in a laboratory a student mixes 300 g water at 80 degree with 400 g water at 20 degree

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  3. 27.3 c

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