2
QuizMultiple Choice
Thermochemical Equations
Question 2 of 10 • FPS Conceptual Science B
Manganese dioxide (MnO2(s), Hf = –520.0 kJ) reacts with aluminum to form aluminum oxide (AI2O3(s), Hf = –1699.8 kJ/mol) and manganese according to the equation below.What is the enthalpy of the reaction? Use .
Answer
A
–1,839.6 kJB
–1,179.8 kJC
1,179.8 kJD
1,839.6 kJ