Question SLPaper 1AAnswerWhat is the enthalpy change of the reaction, in kJ? 2C (graphite)+O2 (g)→2CO (g)2C (graphite) + O_2 (g) → 2CO (g)2C (graphite)+O2 (g)→2CO (g) ΔHcombustion⊖(graphite)=−394 kJ mol−1\Delta H^\ominus_\text{combustion} (\text{graphite})=-394 \ kJ \ mol^{-1}ΔHcombustion⊖(graphite)=−394 kJ mol−1 ΔHcombustion⊖(CO(g))=−283 kJ mol−1\Delta H^\ominus_\text{combustion} (\text{CO(g)})=-283 \ kJ \ mol^{-1}ΔHcombustion⊖(CO(g))=−283 kJ mol−1A−394 − 283B2(−394) + 2(−283)C−394 + 283D2(−394) + 2(283)
