The standard enthalpy of combustion of octane, C8H180 is -5471 kJ-mol-1. The standard enthalpies of formation of H2Om and CO2) are -285.83 and -393.51 kJ-mol-1, respectively. What is the standard enthalpy of formation of octane?

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A: 6CO2 (g)  + 6 H2O (l)  ---> C6H12O6 (s) + 6 O2 (g)  ∆Hrxn  = 2885.4 KJ/mol ∆H°f H2O = ?

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Q: II. The standard enthalpy of formation of liquid ethanol C2H;OH», is -227.63 kJ/mol. Calculate the…

A: Given,  ΔHfo C2H5OH(l)  = -227.63 kJ/mol ΔHf0 CO2(g)        = -393.5 kJ/mol ΔHf0 H2O(l)        =…

Q: Pls help ASAP

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Q: when octane (C8H18) is burned under standard conditions, the enthalpy of combustion is -5578.64KJ /…

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