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Standard molar enthalpy of formation of ...

Standard molar enthalpy of formation of `CO_(2)` is equal to

A

Zero

B

The standard molar enthalpy of combustion of gaseous carbon.

C

The sum of standard molar enthalpies of formation of CO and `O_(2)`

D

The standard molar enthalpy of combustion of carbon (graphite)

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Standard molar enthalpt of formation of `CO _(2)` and the standard molar enthalpy of combustion of carbon (graphite) refer to the same chamical equation: C(grphite) `+ O _(2) (g) to CO _(2) (g)`
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