The Heat of Solution of Ammonium Chloride Is 15 $\circ$ C, What Is the Minimum Temperature Reached by the Solution

question 21

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 ^$\circ$ C, what is the minimum temperature reached by the solution (The specific heat of water = 4.18 J/g· ^$\circ$ C; the heat capacity of the calorimeter = 365. J/ ^$\circ$ C.)

• A) 18.6^\(\circ\)C
• B) 19.7^\(\circ\)C
• C) 21.9^\(\circ\)C
• D) 27.1^\(\circ\)C
• E) 30.4^\(\circ\)C

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