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430 cm3 of water at 86°C is mixed with 120 cm3 of water at 11°C. Calculate the final equilibrium temperature, assuming no heat is lost to outside the water. Find the equilibrium temperature (°C). Imagine now that one tried to repeat the same measurement, but between the time that the 430 cm3 of water was measured at 86°C and the time it was mixed with the 120 cm3 of water at 11°C, the warmer water had lost 6450 cal to the environment. Calculate the final equilibrium temperature assumning no heat loss after mixing occurs. What is the equilibrium temperature after initial heat loss (°C)?

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