Chemistry - Thermochemistry Question with Solution | TestHub

$\text{C}\text{+}{\text{O}}_{\text{2}}\to {\text{CO}}_{\text{2}}\text{; }\text{ΔH}\text{=}\text{X}$...(i)
$\text{CO}\text{+}\text{��}\frac{\text{1}}{\text{2}}{\text{O}}_{\text{2}}\to {\text{CO}}_{\text{2}}\text{; }\text{ΔH}\text{=}\text{Y}$...(ii)
Eqs. (i) -(ii)
$\text{C}\text{+}\frac{\text{1}}{\text{2}}{\text{O}}_{\text{2}}\to \text{CO;}\text{ΔH}\text{=}\text{X}-\text{Y}$