State the combustion of one mole of oxalic acid

Reference no: EM13172050

The enthalpy of combustion, ?Hºcombustion, of oxalic acid, H2C2O4(s), is -246.05 kJ mol-1. Consider the following data: Substance ?Hºf (kJ mol-1) Sº (J mol-1 K-1) C (s) 0 5.69 CO2 (g) -393.5 213.6 H2 (g) 0 130.6 H2O (l) -285.8 69.96 O2 (g) 0 205.0 H2C2O4 (s) ? 120.1 (1) 2H2C2O4 + O2 -> 2H2O + 4CO2 (2) H2 + 2C + 2O2 -> H2C2)4 a) Use the information in the table above and the equations (1) and (2) to calculate ?Hºf for oxalic acid. b) Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.

Reference no: EM13172050

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