Question: From the following equations and enthalpy changes , H ? f ( C O 2 g ) = - 3 9 3 . 5 k

From the following equations and enthalpy changes
,H?f(CO2g)=-393.5kJmol
,H=-285.8kJmol
\Delta H\deg=-2598.8kJ
2C2H2(g)+5O2(g)----4CO2(g)+2H2O(l),
Calculate the standard enthalpy of formation of acetylene Marks
From the following equations and enthalpy changes ,H?f(CO2g)=-393.5kJmol ,H=-285.8kJmol \Delta H\deg=-2598.8kJ

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