Consider the following reactions: `C(s)+O_(2)(g)toCO_(2)(g)+x " kJ"` `CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g)+y" kJ"` The heat formation of CO(g) is :A. `-(x+y)` kJ/molB. `(x-y)` kJ/molC. `(y-x)` kJ/molD. None of these

Consider the following reactions: `C(s)+O_(2)(g)toCO_(2)(g)+x " kJ"` `

1.	Consider the following reactions: `C(s)+O_(2)(g)toCO_(2)(g)+x " kJ"` `CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g)+y" kJ"` The heat formation of CO(g) is :A. `-(x+y)` kJ/molB. `(x-y)` kJ/molC. `(y-x)` kJ/molD. None of these
Answer» Correct Answer - C `C(s)+O_(2)(g)rarrCO_(2)(g),` `Delta_(r )H_(1)=-x" kJ"//"mol .....(1)"` `CO(g)+1//2O_(2)(g)rarrCO_(2)(g)` `Delta_(r ) H_(2)=-y " kJ"//"mol .....(2)"` Equation (1) - (2) `C(s)+(1)/(2)O_(2)(g)rarrCO(g)` `Delta_(f)H=(y-x)" kJ"//"mol"`

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Consider the following reactions: `C(s)+O_(2)(g)toCO_(2)(g)+x " kJ"` `CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g)+y" kJ"` The heat formation of CO(g) is :A. `-(x+y)` kJ/molB. `(x-y)` kJ/molC. `(y-x)` kJ/molD. None of these

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