Answer to Question #332277 in General Chemistry for Taury

Question #332277

30.0 g H2O at an unknown temperature is mixed with 27.0 g of water at 15.8oC in a coffee-cup calorimeter. If the final temperature of the mixture is 29.1oC, what is the initial temperature of the water?

Expert's answer

30*(x-29.1) = 27*(29.1-15.8) => x = 41.07 ºC

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