Question

What is the standard enthalpy of formation for ethanol `C_2H_5OH`?

Answer 1

Well, this site quotes `DeltaH_f^@("ethanol")=-277.7*kJ*mol^-1`

Explanation:

And this specifies the reaction....

`2C(s) + 3H_2(g) + 1/2O_2(g) rarr C_2H_5OH(l)+DeltaH_f^@`