Chemistry Practice Problems Thermochemical Equation Practice Problems Solution: The enthalpy of neutralization for the reaction of...

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Solution: The enthalpy of neutralization for the reaction of HNO3 with KOH is given below.HNO3 (aq) + KOH (aq) → H2O (l) + KNO3 (aq)    ΔH = -57.0 kJ102.4 ml of 0.662 M HNO3 is combined with 102.4 ml of 0.662 M KOH in a coffee cup calorimeter. Both of the starting solutions were initially at a temperature of 30.64 °C. The density of each solution is 1.00 g/ml. Calculate the final temperature of the solution in the calorimeter (in °C).

Problem

The enthalpy of neutralization for the reaction of HNO3 with KOH is given below.

HNO3 (aq) + KOH (aq) → H2O (l) + KNO3 (aq)    ΔH = -57.0 kJ

102.4 ml of 0.662 M HNO3 is combined with 102.4 ml of 0.662 M KOH in a coffee cup calorimeter. Both of the starting solutions were initially at a temperature of 30.64 °C. The density of each solution is 1.00 g/ml. Calculate the final temperature of the solution in the calorimeter (in °C).