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The FeS world is a controversial scenario. It might have started in a microenvironment or niche different from that of the RNA and protein worlds. For such a niche, hydrothermal vents or submarine geysers serve as a model that has survived till date. [ABSTRACT FROM AUTHOR]

This document is part of Subvolume A ‘Gases in Gases, Liquids and their Mixtures' of Volume 15 ‘Diffusion in Gases, Liquids and Electrolytes' of Landolt-Börnstein Group IV ‘Physical Chemistry'. It is part of the chapter of the chapter ‘Diffusion in Pure Gases' and contains data on diffusion of (1) nitrogen; (2) water Chemical substances in this chapter: Element System: H-O Hill Formula: H2O Molecular Weight: 18.02 g/mol CAS registry number(s): 7732-18-5 Substance name(s): water; Wasser; Wasserstoffoxid; Eis; Wasserdampf; Oxidane; R 718; R-718; Ice; Wasser Element System: N Hill Formula: N2 Molecular Weight: 28.01 g/mol CAS registry number(s): 7727-37-9; 93037-13-9; 156457-45-3; 161728-27-4; 263005-65-8 Substance name(s): nitrogen; molecular nitrogen; molekularer Stickstoff; N2; Dinitrogen; Stickstoff Related documents: Landolt-Börnstein Homepage Volume IV/15A Introduction Measurement Methods Index of Substances [ABSTRACT FROM AUTHOR]

This document is part of Subvolume A ‘Gases in Gases, Liquids and their Mixtures' of Volume 15 ‘Diffusion in Gases, Liquids and Electrolytes' of Landolt-Börnstein Group IV ‘Physical Chemistry'. It is part of the chapter of the chapter ‘Diffusion in Pure Gases' and contains data on diffusion of (1) helium; (2) nitrogen Chemical substances in this chapter: Element System: He Hill Formula: He Molecular Weight: 4.00 g/mol CAS registry number(s): 7440-59-7 Substance name(s): Helium; Helium4; Helium Element System: N Hill Formula: N2 Molecular Weight: 28.01 g/mol CAS registry number(s): 7727-37-9; 93037-13-9; 156457-45-3; 161728-27-4; 263005-65-8 Substance name(s): nitrogen; molecular nitrogen; molekularer Stickstoff; N2; Dinitrogen; Stickstoff Related documents: Landolt-Börnstein Homepage Volume IV/15A Introduction Measurement Methods Index of Substances [ABSTRACT FROM AUTHOR]