Dada as equações termoquímicas:?

C(graf) + O2(g) → CO2(g) H= -393 kJ/mol

H2(g) + ½ O2(g) → H2O(l) H= -286,0 kJ/mol

2 C(graf) + 2 H2(g) → CH3COOH(l) H= -484,0 kJ

A entalpia padrão de combustão de um mol de ácido acético é:

CH3COOH(l) + O2(g) → 2 CO2(g) + 2 H2O(l) H=?

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