3
QuizMultiple Choice
Thermochemical Equations
Question 3 • Foothill-B Period-Chemistry-26/27B
Hydrogen reacts with chlorine to form hydrogen chloride (HCl (g), Hf = –92.3 kJ/mol) according to the reaction below.Which statement is correct? Use .
Answer
A
The enthalpy of the reaction is –184.6 kJ, and the reaction is exothermic.B
The enthalpy of the reaction is –184.6 kJ, and the reaction is endothermic.C
The enthalpy of the reaction is 184.6 kJ, and the reaction is endothermic.D
The enthalpy of the reaction is 184.6 kJ, and the reaction is exothermic.