create_2CO_C_CO2: function() {
   return new DecompositionEquation( 2, MoleculeFactory.CO(), 1, MoleculeFactory.C(), 1, MoleculeFactory.CO2() );
 },
 create_2C_O2_2CO: function() {
   return new SynthesisEquation( 2, MoleculeFactory.C(), 1, MoleculeFactory.O2(), 2, MoleculeFactory.CO() );
 },
 create_CH3OH_CO_2H2: function() {
   return new DecompositionEquation( 1, MoleculeFactory.CH3OH(), 1, MoleculeFactory.CO(), 2, MoleculeFactory.H2() );
 },