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Chemistry, 06.01.2022 14:00 Lorettareneemills

9. In which case is more heat involved: mixing 100.0-g samples of 90 °C water and 80 °C water or mixing
100.0-g samples of 60 °C water and 10 °C water? As-
sume no heat is lost to the environment.
I know the answer is more heat in the second but why? how?

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