18
QuizMultiple Choice
Test Test
Question 18 of 25 • *25-26 KCS18 Chemistry IC
Nitrogen dioxide, NO2(g) (Hf = 33.84 kJ/mol), is decomposed according to the following reaction:What is the enthalpy change when 2.50 mol of nitrogen dioxide decomposes? Use .
Answer
A
13.5 kJ of energy releasedB
13.5 kJ of energy absorbedC
84.6 kJ of energy releasedD
84.6 kJ of energy absorbed