.ClaRa.Basics.ControlVolumes.GasVolumes.VolumeGas_L2_chem.ChemicalReactions .ClaRa.Basics.ControlVolumes.GasVolumes.VolumeGas_L2_chem.ChemicalReactionsmodel ChemicalReactions = ClaRa.Basics.ControlVolumes.Fundamentals.ChemicalReactions.NoReaction_L2;