3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an insulated calorimeter and the temperature of the solution drops from 24.6°C to 17.5°C. Csoln = 4.06 J/g°C and density of soln = 1.04 g/mL. Ignore the heat absorbed or released by the calorimeter. a) Calculate the heat of the solution, qsoln. b) Calculate the enthalpy change AH for this process in kJ per mole of ammonium nitrate (kJ/mol).

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3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an insulated
calorimeter and the temperature of the solution drops from 24.6°C to 17.5°C. Csoln = 4.06 J/g°C and
density of soln = 1.04 g/mL. Ignore the heat absorbed or released by the calorimeter.
a) Calculate the heat of the solution, qsoln.
b) Calculate the enthalpy change AH for this process in kJ per mole of ammonium nitrate (kJ/mol).
Transcribed Image Text:3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an insulated calorimeter and the temperature of the solution drops from 24.6°C to 17.5°C. Csoln = 4.06 J/g°C and density of soln = 1.04 g/mL. Ignore the heat absorbed or released by the calorimeter. a) Calculate the heat of the solution, qsoln. b) Calculate the enthalpy change AH for this process in kJ per mole of ammonium nitrate (kJ/mol).
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