Q5
Given that standard molar enthalpies of formation of NO(g) and NO2(g) are respectively 90.3 kJ/mol and 33.2 kJ/mol, the enthalpy change for the reaction 2NO(g) + O2(g) → 2NO2(g) is
A.
16.6 kJ
B.
-57.1 kJ
C.
-114.2 kJ
AnswerD.
57.1 kJ
Answer: Option C
Solution
Answer: Option C
No explanation is given for this question Let's Discuss on Board