Use the Following Information to Determine the Standard Enthalpy Change $\rightarrow$

Multiple Choice

Use the following information to determine the standard enthalpy change when 1 mol of PbO(s) is formed from lead metal and oxygen gas.
PbO(s) + C(graphite) $\rightarrow$ Pb(s) + CO(g) $\Delta$ H^o = 107 kJ
2C(graphite) + O₂(g) $\rightarrow$ 2CO(g) $\Delta$ H^o = -222 kJ

A) - 436 kJ
B) +436 kJ
C) -218 kJ
D) -329 kJ
E) -115 kJ