{"id":114555,"date":"2022-02-09T06:09:42","date_gmt":"2022-02-09T05:09:42","guid":{"rendered":"https:\/\/material-properties.org\/oxygene-et-fluor-comparaison-proprietes\/"},"modified":"2022-03-28T13:20:51","modified_gmt":"2022-03-28T12:20:51","slug":"oxygene-et-fluor-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/oxygene-et-fluor-comparaison-proprietes\/","title":{"rendered":"Oxyg\u00e8ne et Fluor – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l’oxyg\u00e8ne et du fluor, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Oxyg\u00e8ne vs Fluor.<\/em><\/p>\n

\"oxyg\u00e8ne<\/p>\n

\n
<\/span>Comparer l'oxyg\u00e8ne avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Sodium<\/a><\/p>\n

\"Fluor<\/a><\/p>\n

\"Magn\u00e9sium<\/a><\/p>\n

\"Aluminium<\/a><\/p>\n

\"Silicium<\/a><\/p>\n

\"Soufre<\/a><\/p>\n

\"Chlore<\/a><\/p>\n

\"Potassium<\/a><\/p>\n

\"Calcium<\/a><\/p>\n

\"Fer<\/a><\/p>\n

\"Hydrog\u00e8ne<\/a><\/p>\n

\"H\u00e9lium<\/a><\/p>\n

\"Lithium<\/a><\/p>\n

\"B\u00e9ryllium<\/a><\/p>\n

\"Bore<\/a><\/p>\n

\"Carbone<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Comparer le fluor avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

\"Chlore<\/a><\/p>\n

\"N\u00e9on<\/a><\/p>\n

\"Fer<\/a><\/p>\n

\"Calcium<\/a><\/p>\n

\"Aluminium<\/a><\/p>\n

\"Hydrog\u00e8ne<\/a><\/p>\n

\"Oxyg\u00e8ne<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

<\/div>\n
\n

Oxyg\u00e8ne et Fluor – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Oxyg\u00e8ne<\/h3>\n

L’oxyg\u00e8ne est un gaz r\u00e9actif incolore et inodore, l’\u00e9l\u00e9ment chimique de num\u00e9ro atomique 8 et le composant vital de l’air.\u00a0C’est un membre du groupe chalcog\u00e8ne du tableau p\u00e9riodique, un non-m\u00e9tal hautement r\u00e9actif et un agent oxydant qui forme facilement des oxydes avec la plupart des \u00e9l\u00e9ments ainsi qu’avec d’autres compos\u00e9s.\u00a0En masse, l’oxyg\u00e8ne est le troisi\u00e8me \u00e9l\u00e9ment le plus abondant dans l’univers, apr\u00e8s l’hydrog\u00e8ne et l’h\u00e9lium.
\n<\/p><\/div>

<\/div><\/div>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Fluor<\/h3>\n

Le fluor est l’halog\u00e8ne le plus l\u00e9ger et existe sous forme de gaz diatomique jaune p\u00e2le hautement toxique dans des conditions standard.\u00a0En tant qu’\u00e9l\u00e9ment le plus \u00e9lectron\u00e9gatif, il est extr\u00eamement r\u00e9actif : presque tous les autres \u00e9l\u00e9ments, y compris certains gaz nobles, forment des compos\u00e9s avec le fluor.<\/p>\n<\/div>

<\/div><\/div>\n<\/div><\/div>\n
<\/div>\n
\n

\"Oxyg\u00e8ne<\/p>\n<\/div><\/div>\n

\n

\"Fluor<\/p>\n

<\/p><\/div><\/div>\n

Source : www.luciteria.com<\/p>\n

<\/div>\n
\n

Oxyg\u00e8ne et Fluor – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Oxyg\u00e8ne<\/a><\/h3>\n

Les utilisations courantes de l’oxyg\u00e8ne comprennent la production d’acier, de plastiques et de textiles, le brasage, le soudage et le d\u00e9coupage d’aciers et d’autres m\u00e9taux, le propulseur de fus\u00e9e, l’oxyg\u00e9noth\u00e9rapie et les syst\u00e8mes de survie dans les avions, les sous-marins, les vols spatiaux et la plong\u00e9e.\u00a0La fusion du minerai de fer en acier consomme 55 % de l’oxyg\u00e8ne produit commercialement.\u00a0Dans ce processus, l’oxyg\u00e8ne est inject\u00e9 \u00e0 travers une lance \u00e0 haute pression dans le fer fondu, qui \u00e9limine les impuret\u00e9s de soufre et l’exc\u00e8s de carbone sous forme d’oxydes respectifs, de dioxyde de soufre et de dioxyde de carbone.\u00a0L’absorption d’oxyg\u00e8ne de l’air est le but essentiel de la respiration, c’est pourquoi la suppl\u00e9mentation en oxyg\u00e8ne est utilis\u00e9e en m\u00e9decine.\u00a0Le traitement augmente non seulement les niveaux d’oxyg\u00e8ne dans le sang du patient, mais a pour effet secondaire de diminuer la r\u00e9sistance au flux sanguin dans de nombreux types de poumons malades, ce qui soulage la charge de travail sur le c\u0153ur.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

Fluor<\/a><\/h3>\n

En raison des frais de raffinage du fluor pur, la plupart des applications commerciales utilisent des compos\u00e9s fluor\u00e9s, avec environ la moiti\u00e9 de la fluorite extraite utilis\u00e9e dans la fabrication de l’acier.\u00a0Le reste de la fluorite est converti en fluorure d’hydrog\u00e8ne corrosif en route vers divers fluorures organiques, ou en cryolite, qui joue un r\u00f4le cl\u00e9 dans le raffinage de l’aluminium.\u00a0La plupart des proc\u00e9d\u00e9s commerciaux d’enrichissement de l’uranium (diffusion gazeuse et m\u00e9thode de centrifugation gazeuse) exigent que l’uranium soit sous forme gazeuse. Par cons\u00e9quent, le concentr\u00e9 d’oxyde d’uranium doit d’abord \u00eatre converti en hexafluorure d’uranium, qui est un gaz \u00e0 des temp\u00e9ratures relativement basses.\u00a0Les mol\u00e9cules contenant une liaison carbone-fluor ont souvent une stabilit\u00e9 chimique et thermique tr\u00e8s \u00e9lev\u00e9e;\u00a0leurs principales utilisations sont les r\u00e9frig\u00e9rants, l’isolation \u00e9lectrique et les ustensiles de cuisine, le dernier \u00e9tant le PTFE (t\u00e9flon).<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Oxyg\u00e8ne et fluor – Comparaison dans le tableau<\/h2>\n<\/div><\/div>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u00c9l\u00e9ment<\/td>\nOxyg\u00e8ne<\/b><\/td>\nFluor<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,00125g\/cm3<\/strong><\/td>\n0,0017g\/cm3<\/strong><\/td>\n<\/tr>\n
R\u00e9sistance \u00e0 la traction ultime<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Limite d’\u00e9lasticit\u00e9<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Module de Young<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
\u00c9chelle de Mohs<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Brinell<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Duret\u00e9 Vickers<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Point de fusion<\/td>\n-209,9\u00b0C<\/strong><\/td>\n-219,8\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-195,8\u00b0C<\/strong><\/td>\n-188,1\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,02598 W\/mK<\/strong><\/td>\n0,0279 W\/mK<\/strong><\/td>\n<\/tr>\n
Coefficient de dilatation thermique<\/td>\nN \/ A<\/strong><\/td>\nN \/ A<\/strong><\/td>\n<\/tr>\n
Chaleur sp\u00e9cifique<\/td>\n1,04 J\/g\u00b7K<\/span><\/strong><\/td>\n0,82 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n(N2) 0,7204 kJ\/mole<\/strong><\/td>\n0,2552 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n(N2) 5,56 kJ\/mole<\/span><\/strong><\/td>\n3,2698 kJ\/mol<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l’oxyg\u00e8ne et du fluor, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Oxyg\u00e8ne vs Fluor. Source : www.luciteria.com<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"\nOxyg\u00e8ne et Fluor - Comparaison - Propri\u00e9t\u00e9s - Material Properties<\/title>\n<meta name=\"description\" content=\"Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l'oxyg\u00e8ne et du fluor, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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