{"id":114427,"date":"2022-02-06T19:29:18","date_gmt":"2022-02-06T18:29:18","guid":{"rendered":"https:\/\/material-properties.org\/krypton-et-xenon-comparaison-proprietes\/"},"modified":"2022-03-22T14:12:40","modified_gmt":"2022-03-22T13:12:40","slug":"krypton-et-xenon-comparaison-proprietes","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/krypton-et-xenon-comparaison-proprietes\/","title":{"rendered":"Krypton et X\u00e9non – Comparaison – Propri\u00e9t\u00e9s"},"content":{"rendered":"

Cet article contient une comparaison des principales propri\u00e9t\u00e9s thermiques et atomiques du krypton et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Krypton contre X\u00e9non.<\/em><\/p>\n

\"krypton<\/p>\n

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

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

\"X\u00e9non<\/a><\/p>\n<\/div><\/div>\n<\/div><\/div>\n

\n
<\/span>Comparer le x\u00e9non avec un autre \u00e9l\u00e9ment<\/div>
\n
<\/div>\n

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

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

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

<\/div>\n
\n

Krypton et X\u00e9non – \u00c0 propos des \u00e9l\u00e9ments<\/h2>\n<\/div><\/div>\n
\n
\"\"<\/div>
\n

Krypton<\/h3>\n

Le krypton fait partie des \u00e9l\u00e9ments du groupe 18 (gaz nobles).\u00a0Gaz noble incolore, inodore et insipide, le krypton est pr\u00e9sent \u00e0 l’\u00e9tat de traces dans l’atmosph\u00e8re et est souvent utilis\u00e9 avec d’autres gaz rares dans les lampes fluorescentes.
\n<\/p><\/div>

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

X\u00e9non<\/h3>\n

Le x\u00e9non est un gaz noble incolore, dense et inodore pr\u00e9sent dans l’atmosph\u00e8re terrestre \u00e0 l’\u00e9tat de traces.[10] Bien que g\u00e9n\u00e9ralement non r\u00e9actif, le x\u00e9non peut subir quelques r\u00e9actions chimiques. Le x\u00e9non a \u00e9t\u00e9 d\u00e9couvert pour la premi\u00e8re fois en 1898 par le chimiste \u00e9cossais William Ramsay et le chimiste anglais Morris Travers. Le nom x\u00e9non de ce gaz vient du mot grec \u03be\u03ad\u03bd\u03bf\u03bd [x\u00e9non], forme neutre singuli\u00e8re de \u03be\u03ad\u03bd\u03bf\u03c2 [xenos], signifiant \u00ab\u00e9tranger(er)\u00bb, \u00ab\u00e9tranger(r)\u00bb ou \u00abinvit\u00e9\u00bb. Dans l’industrie nucl\u00e9aire, en particulier le x\u00e9non artificiel 135 a un impact \u00e9norme sur le fonctionnement d’un r\u00e9acteur nucl\u00e9aire. Pour les physiciens et les op\u00e9rateurs de r\u00e9acteurs, il est important de comprendre les m\u00e9canismes qui produisent et \u00e9liminent le x\u00e9non du r\u00e9acteur pour pr\u00e9dire comment le r\u00e9acteur r\u00e9agira suite \u00e0 des changements de niveau de puissance.<\/p>\n<\/div>

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

\"Krypton<\/p>\n<\/div><\/div>\n

\n

\"X\u00e9non<\/p>\n

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

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

<\/div>\n
\n

Krypton et X\u00e9non – Applications<\/h2>\n<\/div><\/div>\n
\n
\n
\n

Krypton<\/a><\/h3>\n

Les multiples lignes d’\u00e9mission de Krypton font appara\u00eetre les d\u00e9charges de gaz de krypton ionis\u00e9 blanch\u00e2tres, ce qui rend les ampoules \u00e0 base de krypton utiles en photographie comme source de lumi\u00e8re blanche.\u00a0Le krypton est utilis\u00e9 dans certains flashs photographiques pour la photographie \u00e0 grande vitesse.\u00a0Le krypton est \u00e9galement utilis\u00e9 dans les techniques d’IRM\/CT.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n
\n
\n

X\u00e9non<\/a><\/h3>\n

Le x\u00e9non est utile dans les applications suivantes.\u00a0Le flash de lumi\u00e8re blanche produit par le x\u00e9non le rend appropri\u00e9 pour une utilisation dans les lumi\u00e8res stroboscopiques et pour alimenter les lasers \u00e0 rubis.\u00a0Le x\u00e9non est utilis\u00e9 dans les dispositifs \u00e9mettant de la lumi\u00e8re appel\u00e9s lampes flash au x\u00e9non, utilis\u00e9s dans les flashs photographiques et les lampes stroboscopiques.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n

\n

Krypton et X\u00e9non – 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>\nKrypton<\/b><\/td>\nX\u00e9non<\/b><\/td>\n<\/tr>\n
Densit\u00e9<\/td>\n0,00375g\/cm3<\/strong><\/td>\n0,0059g\/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-248\u00b0C<\/strong><\/td>\n-157,36\u00b0C<\/strong><\/td>\n<\/tr>\n
Point d’\u00e9bullition<\/td>\n-248,7\u00b0C<\/strong><\/td>\n-153,22\u00b0C<\/strong><\/td>\n<\/tr>\n
Conductivit\u00e9 thermique<\/td>\n0,00949 W\/mK<\/strong><\/td>\n0,00565 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>\n0,248 J\/g\u00b7K<\/span><\/strong><\/td>\n0,158 J\/g\u00b7K<\/strong><\/td>\n<\/tr>\n
Temp\u00e9rature de fusion<\/td>\n1,638 kJ\/mole<\/strong><\/td>\n2,297 kJ\/mole<\/strong><\/td>\n<\/tr>\n
Chaleur de vaporisation<\/td>\n9,029 kJ\/mole<\/span><\/strong><\/td>\n12,636 kJ\/mole<\/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 du krypton et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique.\u00a0Il contient \u00e9galement des descriptions de base et des applications des deux \u00e9l\u00e9ments.\u00a0Krypton contre X\u00e9non. 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":"\nKrypton et X\u00e9non - 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 du krypton et du x\u00e9non, deux \u00e9l\u00e9ments chimiques comparables du tableau p\u00e9riodique. 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