{"id":115496,"date":"2022-04-25T06:06:42","date_gmt":"2022-04-25T05:06:42","guid":{"rendered":"https:\/\/material-properties.org\/hydrogene-et-fluor-comparaison-proprietes\/"},"modified":"2022-04-26T07:10:15","modified_gmt":"2022-04-26T06:10:15","slug":"hydrogene-et-fluor-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/hydrogene-et-fluor-comparaison-proprietes\/","title":{"rendered":"Hydrog\u00e8ne et Fluor – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques de l’hydrog\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.\u00a0Hydrog\u00e8ne vs Fluor.<\/em><\/p>\n

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

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

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

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

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

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

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

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

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

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

\"Calcium<\/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

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

Hydrog\u00e8ne<\/h3>\n

Avec un poids atomique standard d’environ 1,008, l’hydrog\u00e8ne est l’\u00e9l\u00e9ment le plus l\u00e9ger du tableau p\u00e9riodique.\u00a0Sa forme monoatomique (H) est la substance chimique la plus abondante de l’Univers, constituant environ 75 % de toute la masse baryonique.
\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. En 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.
\n<\/p><\/div>

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

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

\n

\"Fluor<\/p>\n

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

Source\u00a0: www.luciteria.com<\/p>\n

<\/div>\n
\n

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

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

L’hydrog\u00e8ne est polyvalent et peut \u00eatre utilis\u00e9 de diff\u00e9rentes mani\u00e8res.\u00a0Ces usages multiples peuvent \u00eatre regroup\u00e9s en deux grandes cat\u00e9gories.\u00a0L’hydrog\u00e8ne comme mati\u00e8re premi\u00e8re.\u00a0Un r\u00f4le dont l’importance est reconnue depuis des d\u00e9cennies et qui continuera de cro\u00eetre et d’\u00e9voluer.\u00a0La plus grande utilisation unique d’hydrog\u00e8ne dans le monde est la fabrication d’ammoniac, qui consomme environ les deux tiers de la production mondiale d’hydrog\u00e8ne.\u00a0L’hydrog\u00e8ne est polyvalent et peut \u00eatre utilis\u00e9 de diff\u00e9rentes mani\u00e8res.\u00a0Ces usages multiples peuvent \u00eatre regroup\u00e9s en deux grandes cat\u00e9gories.\u00a0L’hydrog\u00e8ne comme mati\u00e8re premi\u00e8re pour d’autres proc\u00e9d\u00e9s chimiques.\u00a0Un r\u00f4le dont l’importance est reconnue depuis des d\u00e9cennies et qui continuera de cro\u00eetre et d’\u00e9voluer.\u00a0Et l’hydrog\u00e8ne comme vecteur \u00e9nerg\u00e9tique.<\/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

Hydrog\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>\nHydrog\u00e8ne<\/strong><\/td>\nFluor<\/strong><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,00009 g\/cm3<\/strong><\/td>\n0,0017 g\/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-259,1 \u00b0C<\/strong><\/td>\n-219,8 \u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-252,9 \u00b0C<\/strong><\/td>\n-188,1 \u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,1805 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>\n14,304 J\/g\u00b7K<\/span><\/strong><\/td>\n0,82 J\/g\u00b7K<\/span><\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n0,05868 kJ\/mol<\/span><\/strong><\/td>\n0,2552 kJ\/mol<\/span><\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n0,44936 kJ\/mol<\/span><\/strong><\/td>\n3,2698 kJ\/mol<\/span><\/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’hydrog\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.\u00a0Hydrog\u00e8ne vs Fluor. Source\u00a0: 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":"\nHydrog\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'hydrog\u00e8ne et du fluor, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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