Question 1
Heat of formation for CO is -110.5 KJ/mol and the heat of formation for MgO is -602 KJ/mol. Which of the following statements is true?
◦ The bond in CO is stronger than the bond in MgO.
◦ The bond in MgO is stronger than the bond in CO.
◦ Impossible to determine to given data.
◦ The bonds in MgO and CO are equally strong.
Question 2
Calculate the enthalpy of combustion per mole for C
6H
12O
6. Assume that the combustion products are CO
2(
g) and H
2O(
l).

◦ -1939 kJ/mol
◦ 580.7 kJ/mol
◦ -5336 kJ/mol
◦ -2816 kJ/mol