ordinary hydrogen gas comprises an equilibrium mixture of three parts of ortho-hydrogen (with parallel nuclear spin) to one part of para-hydrogen (with antiparallel nuclear spin) — Otto Reinmuth
Useful english dictionary. 2012.
ortho-hydrogen — ortovandenilis statusas T sritis fizika atitikmenys: angl. ortho hydrogen vok. Orthowasserstoff, m rus. ортоводород, m pranc. hydrogène ortho, m; orthohydrogène, m … Fizikos terminų žodynas
hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… … Universalium
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
ortho — I. ˈȯr(ˌ)thō, ˈȯ(ə)(ˌ) adjective Etymology: orth 1. : derived from or being an acid in the highest hydrated or hydroxylated form known compare orth 3a 2. : relating to, characterized by, or being two neighboring positions in the benzene ring… … Useful english dictionary
Spin isomers of hydrogen — Spin Isomers of Molecular Hydrogen Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel (orthohydrogen), the other with its two proton spins aligned antiparallel (parahydrogen).[1] At room temperature… … Wikipedia
para-hydrogen — |parə+ noun Etymology: para (I) + hydrogen : molecular hydrogen in which the two hydrogen nuclei are spinning in opposite directions so that their contribution to the total angular momentum is zero compare ortho hydrogen … Useful english dictionary
hydrogène ortho — ortovandenilis statusas T sritis fizika atitikmenys: angl. ortho hydrogen vok. Orthowasserstoff, m rus. ортоводород, m pranc. hydrogène ortho, m; orthohydrogène, m … Fizikos terminų žodynas
Liquid hydrogen — (LH2 or LH2) is the liquid state of the element hydrogen. It is a common liquid rocket fuel for rocket applications. Hydrogen is found naturally in the molecular H2 form.To exist as a liquid, H2 must be pressurized and cooled to a very low… … Wikipedia
Atoms in molecules — The atoms in molecules or atoms in molecules or quantum theory of atoms in molecules (Qtaim) approach is a quantum chemical model that characterizes the chemical bonding of a system based on the topology of the quantum charge density. In addition … Wikipedia
2-Iodoxybenzoic acid — Chembox new ImageFile = IBXAcid.png ImageSize = ImageFileL1 = 2 iodoxybenzoic acid 3D balls.png ImageFileR1 = 2 iodoxybenzoic acid 3D vdW.png IUPACName = OtherNames = IBX Section1 = Chembox Identifiers CASNo = 61717 82 6 PubChem = SMILES =… … Wikipedia
