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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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The correct Answer is:
D
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