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The Heat of Solution of Ammonium Chloride Is 15

Question 45

Multiple Choice

The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.134-g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the final temperature of the solution? The specific heat of water is 4.18 J/g·°C and the heat capacity of the calorimeter is 365 J/°C.


A) 27.1°C
B) 18.6°C
C) 19.7°C
D) 21.8°C
E) 30.4°C

Correct Answer:

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