Chemistry: A Volatile History — is a 2010 BBC documentary on the history of chemistry presented by Jim Al Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Contents 1 Episode 1 – Discovering the Elements 1.1… … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… … Universalium
Atmosphere (unit) — The Standard atmosphere is an international reference pressure defined as 101,325 Pa and formerly used as unit of pressure (symbol: atm).British Standard BS 350:2004 Conversion Factors for Units ] For practical purposes it has been replaced by… … Wikipedia
atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… … Universalium
Atmosphere of Earth — Air redirects here. For other uses, see Air (disambiguation). Qualities of air redirects here. It is not to be confused with Air quality … Wikipedia
Atmosphere of Mars — Chemical species mole fraction Carbon dioxide 95.32% Nitrogen 2.7% Argon … Wikipedia
Atmosphere of Jupiter — Cloud pattern on Jupiter in 2000 The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System. It is mostly made of molecular hydrogen and helium in roughly solar proportions; other chemical compounds are present only in… … Wikipedia
Atmosphère de Jupiter — Pour les articles homonymes, voir Atmosphère. L atmosphère de Jupiter La Grande Tache Rouge prise par Voyager 1 … Wikipédia en Français
Atmosphère d'Uranus — Pour les articles homonymes, voir Atmosphère. Atmosphère d Uranus Uranus, prise par la sonde Voyager 2 … Wikipédia en Français