When 500 ML of 1 $\to$ NaCl(aq)+ H₂O(l)

Assume That the Solution Density Is 1

question 68

Multiple Choice

When 50.0 mL of 1.30 M of HCl(aq) is combined with 50.0 mL of 1.20 M of NaOH(aq) in a coffee-cup calorimeter,the temperature of the solution increases by 8.01°C.What is the change in enthalpy for this balanced reaction?

HCl(aq) + NaOH(aq) $\to$ NaCl(aq) + H₂O(l)

Assume that the solution density is 1.00 g/mL and the specific heat capacity of the solution is 4.18 J/g. ^$\circ$ C.

• A) -55.8 kJ
• B) 55.8 kJ
• C) 51.5 kJ
• D) -51.5 kJ
• E) -26.8 kJ

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