Chemistry Help Please?!!!!?

What is the enthalpy for the following reaction? overall: C + 12O2→CO?

Answer 1

As a practical matter pisgahchemist is correct.

However, supposing you meant:
C + ½ O2 → CO
your equation illustrates the standard enthalpy of formation of CO, which the source
below lists as −110.525 kJ/mol.

Answer 2

You meant to write this:
C(s) + ½O2(g) –> CO(g)

Burning carbon in oxygen produces carbon dioxide gas when the combustion is complete. Otherwise there will be a mixture of CO2 and CO. There is no reaction where CO is the single product.

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