29 May 2024
- 16:0616:06, 29 May 2024 diff hist +494 Nuclear magnetic resonance Some technical and wording edits. Tag: Visual edit: Switched
15 June 2022
- 12:5412:54, 15 June 2022 diff hist +2,141 Combustion Undid revision 1093241742 by IpseCustos (talk) This is a short, carefully phrased paragraph on a notable property of combustion, namely that it is exothermic, based on experimental facts and multiple quoted reliable secondary sources (textbooks and official standards). Wholesale deletion is not justified. Other editors need to weigh in here. Tags: Undo Reverted
- 12:4812:48, 15 June 2022 diff hist +524 User talk:Michael D. Turnbull →Discussion of bonding of O2 and combustion: new section
- 12:3912:39, 15 June 2022 diff hist +346 Fire Following suggestions by ((u|Michael D. Turnbull)), changed "weak double bond" to "weak sigma bond", with a corresponding reference. Tag: Visual edit
- 11:0711:07, 15 June 2022 diff hist +2 Combustion Pointed out the effect of the heat of condensation when liquid water is formed in combustion. Tags: Reverted Visual edit: Switched
14 June 2022
- 17:1817:18, 14 June 2022 diff hist −2 Heat of combustion Replaced "is directly proportional" with "is proportional (±5%)" in the statement about the LHV and the amount of oxygen consumed. Tag: Visual edit
- 17:1717:17, 14 June 2022 diff hist +1,290 Talk:Heat of combustion →Fringe theories: Reply The LHV is proportional to oxygen consumed within ±5%. Tag: Reply
- 15:1015:10, 14 June 2022 diff hist +1,867 Wikipedia:Fringe theories/Noticeboard Discussing the definition of oxygen as a high-energy molecule.
- 14:2714:27, 14 June 2022 diff hist +1,557 Wikipedia:Fringe theories/Noticeboard Constructive discussion with Mike Turnbull.
13 June 2022
- 16:2316:23, 13 June 2022 diff hist +5,808 Talk:Oxygen →"High-energy oxygen": I'm sorry this discussion is a mess: Reply Explanations of the background of the dispute, and of the developing consensus. Tag: Reply
- 14:5814:58, 13 June 2022 diff hist +311 Geological history of oxygen In the explanation of why the presence of oxygen provided life with new opportunities, removed the modifier "high-energy" describing oxygen and instead referred to the chemical energy stored by oxygen. Tag: Visual edit
- 14:4714:47, 13 June 2022 diff hist +276 Great Oxidation Event →Consequences of oxygenation: In the explanation of why life had remained energetically limited until the widespread availability of oxygen, removed the modifier "high-energy" describing oxygen and instead referred to the chemical energy stored by oxygen.
- 14:2814:28, 13 June 2022 diff hist +260 Bioluminescence →Chemical mechanism: Provided a brief explanation of the chemical source of the energy of the visible photons emitted in bioluminescence.
- 14:2014:20, 13 June 2022 diff hist +24 Atmosphere of Earth →Third atmosphere: Consensus phrasing that periods with much atmospheric oxygen are associated with rapid development of animals because "oxygen and various nutrients provide the essential chemical energy for all macroscopic life-forms". Tag: Visual edit
- 14:1214:12, 13 June 2022 diff hist −7 Allotropes of oxygen →Dioxygen: Consensus phrasing that aerobic organisms "obtain chemical energy from various nutrients and atmospheric dioxygen".
- 14:0214:02, 13 June 2022 diff hist −60 Primary nutritional groups →Primary sources of reducing equivalents: Removed a dispensable contentious statement about the energy of oxygen. Tag: Visual edit
- 13:3913:39, 13 June 2022 diff hist +28 Methanotroph Consensus phrasing that methanotrophs "use methane and oxygen, nitrate, sulfate, or other oxidized species as their sources of chemical energy." Tag: Visual edit
- 13:3513:35, 13 June 2022 diff hist −93 Hydrogen-oxidizing bacteria Consensus phrasing that Knallgas bacteria use "H<sub>2</sub> and O<sub>2</sub> as their chemical energy source." Tag: Visual edit
- 13:3013:30, 13 June 2022 diff hist −2 Chemosynthesis →Hydrogen sulfide chemosynthesis process: Consensus phrasing that giant tube worms use "hydrogen sulfide and oxygen or nitrate as their chemical energy sources". Tag: Visual edit
- 13:2513:25, 13 June 2022 diff hist −142 Electron transport chain Consensus phrasing that the energy released "by reactions of oxygen and reduced compounds such as cytochrome c and (indirectly) NADH and FADH" is used by the electron transport chain to pump protons. Tag: Visual edit
- 13:1013:10, 13 June 2022 diff hist +16 Ocean deoxygenation →Overview: Consensus phrasing that organisms "use nutrients and oxygen for their chemical energy". Tag: Visual edit
- 13:0713:07, 13 June 2022 diff hist +21 Hypoxia (environmental) →Aquatic hypoxia: Consensus phrasing that most fish rely on "both nutrients and oxygen for their chemical energy". Tag: Visual edit
- 13:0413:04, 13 June 2022 diff hist +515 Energy content of biofuel →Energy and CO2 output of common biofuels: Made the wording about the energy that can be extracted from organic fuels uncontentious and added secondary sources that document this fact.
- 10:5610:56, 13 June 2022 diff hist +18 Energy flow (ecology) →Secondary production: Consensus phrasing of energy being "stored in organic matter of plants and oxygen". Tag: Visual edit
- 10:5110:51, 13 June 2022 diff hist +12 Energy development →Fossil fuels: Consensus phrasing of solar energy being stored "in the fuel and O<sub>2</sub>". Tag: Visual edit
- 10:4710:47, 13 June 2022 diff hist +221 Exothermic reaction Added a secondary source for the conversion of weaker bonds to stronger bonds being exothermic, and the application of this principle to sample reactions shown. Tag: Visual edit
- 10:3110:31, 13 June 2022 diff hist +14 Hypoxia in fish Consensus phrasing of the "chemical energy of nutrients and O<sub>2</sub>" being used for ATP production. Tag: Visual edit
- 10:2810:28, 13 June 2022 diff hist +245 Luciferin →Types: Provided a brief explanation of the chemical source of the energy of the photons emitted in bioluminescence.
- 10:0310:03, 13 June 2022 diff hist +13 Microbial oxidation of sulfur →Ecology: For consensus, removed the qualifier "energy-rich" from "electron acceptors" and replaced it with "relatively weakly bonded". Tag: Visual edit
- 10:0010:00, 13 June 2022 diff hist +12 Nitrobacter →Metabolism and Growth: Consensus phrasing of Nitrobacter using "nitrite and O<sub>2</sub> as a source of energy". Tag: Visual edit
- 09:5309:53, 13 June 2022 diff hist −20 Muscle contraction →Eccentric contraction: Consensus phrasing of "chemical energy (of fat or glucose and oxygen" being consumed. Tag: Visual edit
- 09:5009:50, 13 June 2022 diff hist −11 Microbial metabolism →Hydrogen oxidation: Consensus phrasing of "the chemical energy of hydrogen and O<sub>2</sub>" being used in the aerobic Knallgas reaction. Tag: Visual edit
- 09:4509:45, 13 June 2022 diff hist +32 Heterotroph →Ecology: Consensus phrasing that many heterotrophs release the "chemical energy of nutrient molecules and O<sub>2</sub>". Tag: Visual edit
- 09:4109:41, 13 June 2022 diff hist +21 Anaerobic organism →Fermentation: Consensus phrasing of an aerobic reaction taking advantage of the "chemical energy of both glucose and O<sub>2<sub/>." Tag: Visual edit
- 09:3509:35, 13 June 2022 diff hist +9 Bioenergetic systems →Overview: Consensus phrasing of "chemical energy of food and oxygen" being converted into ATP. Tag: Visual edit
- 09:3309:33, 13 June 2022 diff hist +13 Anaerobic respiration For consensus, eliminated the modifier "high energy" from "oxidizing agent". Tag: Visual edit
- 09:2909:29, 13 June 2022 diff hist +23 Bioenergetics →Overview: Consensus phrasing of energy sources of "nutrient molecules and O<sub>2<sub/>" for living organisms. Tag: Visual edit
- 09:2309:23, 13 June 2022 diff hist +11 Chemical thermodynamics →Chemical energy: Consensus phrasing of "chemical energy of a fuel and O<sub>2<sub/>" being released in combustion. Tag: Visual edit
- 09:1909:19, 13 June 2022 diff hist −9 Cellular respiration Consensus phrasing of "chemical energy from nutrients and oxygen" being converted to ATP in cellular respiration. Tag: Visual edit
- 09:1309:13, 13 June 2022 diff hist +34 Fermentation →Biochemical overview: Consensus phrasing of the chemical energy of glucose AND oxygen. Tag: Visual edit
- 09:1009:10, 13 June 2022 diff hist +28 Oxidative phosphorylation Consensus phrasing on the energy released in oxidative phosphorylation. Tag: Visual edit
- 03:4403:44, 13 June 2022 diff hist +311 Indirect calorimetry Added secondary sources for the principle of chemical energy release in metabolism of nutrients with weakly-bonded oxygen.
- 03:2403:24, 13 June 2022 diff hist +201 Fermentation →Biochemical overview: A better explanation of the much larger ATP yield in aerobic respiration than in fermentation.
- 03:1403:14, 13 June 2022 diff hist −2 Energy density →In energy storage and fuels: Rephrased the contribution of oxygen to the energy released in the combustion of chemical fuels. Tag: Visual edit
- 03:0603:06, 13 June 2022 diff hist +99 Chemical energy Rephrased the contribution of oxygen to chemical-energy release in combustion. Tag: Visual edit
- 02:4202:42, 13 June 2022 diff hist +168 Adenosine triphosphate →Citric acid cycle: Revised phrasing of the chemical energy of oxygen and glucose driving the citric acid cycle energetically. Tag: Visual edit
- 02:2002:20, 13 June 2022 diff hist +13 Metabolism Replaced "high-energy" with "relatively weakly bonded" to describe electron acceptors from which chemolithotrophs gain energy. Tag: Visual edit
- 02:1002:10, 13 June 2022 diff hist +321 Oxygen Added secondary sources for the chemical energy and heat release of weakly-bonded molecular oxygen in combustion. Tag: Visual edit
- 01:5401:54, 13 June 2022 diff hist +1,918 User talk:Klaus Schmidt-Rohr →"High-energy oxygen": articles to be edited: Reply Time for consensus re-phrasing rather than wholesale deletion. Tag: Reply
- 01:2001:20, 13 June 2022 diff hist +1,014 Talk:Fire →Fringe theories: Reply The revised phrase about the heat released in a fire addresses all concerns raised. Tag: Reply
