Use the thermochemical equations shown (aka Hess's Law) below to determine
HC₂H₃O₂(I)+2O₂(g)→2CO₂(g)+2H₂O (I) ΔH=-875.kJ
C(s, graphite )+O₂(g)→CO₂(g) ΔH=-394.51kJ
H2(g)+12O₂(g)→H₂O(I) ΔH=-285.8kJ
the enthalpy for the reaction: 2H₂(g)+O₂(g)+2C (s,graphite) →HC₂H₃O₂ (I) ΔH= _____________.