When 00500 Mol of HCl(aq)is Reacted with 0

question 13

Multiple Choice

When 0.0500 mol of HCl(aq) is reacted with 0.0500 mol of NaOH(aq) in 50.0 mL of water,the temperature of the solution increases by 5.99°C.What is the enthalpy of reaction for the following thermochemical equation?
HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l)
Assume that the heat capacity of the solution and calorimeter is 465.4 J/°C.

• A)0.139 kJ
• B)55.8 kJ
• C)2.791 kJ
• D)-55.8 kJ
• E)2.79 kJ