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470 cm3 of water at 82°C is mixed with 95 cm3 of water at 8°C. Calculate the final equilibrium temperature, assuming no heat is lost to outside the water. Imagine now that one tried to repeat the same measurement, but between the time that the 470 cm3 of water was measured at 82°C and the time it was mixed with the 95 cm3 of water at 8°C, the warmer water had lost 2820 cal to the environment. Calculate the final equilibrium temperature assumning no heat loss after mixing occurs.

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