23. Calculate the enthalpy for the combustion of ethanol given the heats of formation for each...

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23. Calculate the enthalpy for the combustion of ethanol given the heats of formation for each compound at the same conditions.

???????? = ?? (?????)

?2?5?? = −228 ?????

?2 = ??????

?2?= −286 ?????

??2 = −394 ?????

?2?5?? (?)+3 ?2 (?) →2 ??2 (?) + 3 ?2?(?)

Δ????= ?

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Answer 1

Answer #1

Answer 2

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