What is the standard Gibbs free energy change at 400C and at standard pressure for the oxidation of methanol (CH3OH) to formaldehyde (HCHO)? The reaction proceeds according to the following formula: CH3OH + O2 - HCHO + H20 The standard reaction Gibbs energy of this reaction at 298,15 K Is-184 kJ/mol. The standard reaction enthalpy of this reaction at 298.15 Kis-200 kJ/mol. You may assume that the reaction enthalpy is independent of temperature. A.-44.95 J/mol B. - 163.9 kJ/mol OC.29.3 kJ/mol OD.74.2 kJ/mol