{"id":822,"date":"2023-07-21T00:44:50","date_gmt":"2023-07-21T00:44:50","guid":{"rendered":"https:\/\/chemuza.org\/tr\/kalsiyum-karbur-cac2\/"},"modified":"2023-07-21T00:44:50","modified_gmt":"2023-07-21T00:44:50","slug":"kalsiyum-karbur-cac2","status":"publish","type":"post","link":"https:\/\/chemuza.org\/tr\/kalsiyum-karbur-cac2\/","title":{"rendered":"Kalsiyum karb\u00fcr \u2013 cac2, 75-20-7"},"content":{"rendered":"<p>Kalsiyum karb\u00fcr, CaC2 form\u00fcl\u00fcne sahip kimyasal bir bile\u015fiktir. Esas olarak asetilen gaz\u0131 ve kalsiyum siyanamid \u00fcretmek i\u00e7in kullan\u0131l\u0131r. Asetilen gaz\u0131 ve kalsiyum hidroksit \u00fcretmek i\u00e7in suyla reaksiyona girer. \u0130nsanlar bunu kaynak ve ayd\u0131nlatma i\u00e7in kullan\u0131yor.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> IUPAC&#8217;\u0131n ad\u0131<\/td>\n<td> Kalsiyum etinediit<\/td>\n<\/tr>\n<tr>\n<td> Molek\u00fcler form\u00fcl<\/td>\n<td> CaC2<\/td>\n<\/tr>\n<tr>\n<td> CAS numaras\u0131<\/td>\n<td> 75-20-7<\/td>\n<\/tr>\n<tr>\n<td> E\u015f anlaml\u0131<\/td>\n<td> Kalsiyum asetilit, kalsiyum perkarbon, kalsiyum dikarbit, kalsiyum karb\u00fcro, karb\u00fcr kalsiko, kalsiyum etinediit<\/td>\n<\/tr>\n<tr>\n<td> InChI<\/td>\n<td> InChI=1S\/C2.Ca\/c1-2;\/q-2;+2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Kalsiyum karb\u00fcr\u00fcn \u00f6zellikleri<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> Kalsiyum Karb\u00fcr Form\u00fcl\u00fc<\/h3>\n<p> Kalsiyum karb\u00fcr\u00fcn kimyasal form\u00fcl\u00fc CaC2&#8217;dir. Bu, bir kalsiyum karb\u00fcr molek\u00fcl\u00fcn\u00fcn bir kalsiyum atomu ve iki karbon atomundan olu\u015ftu\u011fu anlam\u0131na gelir. Form\u00fcl, bile\u015fi\u011fin elementlerinin oran\u0131n\u0131 g\u00f6sterir.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum Karb\u00fcr Molar K\u00fctle<\/h3>\n<p> CaC2&#8217;nin molar k\u00fctlesi 64.099 g\/mol&#8217;d\u00fcr. Bu, bir mol CaC2&#8217;nin k\u00fctlesinin 64.099 gram oldu\u011fu anlam\u0131na gelir. Molar k\u00fctle, form\u00fcldeki elementlerin atomik k\u00fctlelerinin eklenmesiyle hesaplan\u0131r. Kalsiyumun atom k\u00fctlesi 40.078 g\/mol, karbonunki ise 12.011 g\/mol&#8217;d\u00fcr.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum karb\u00fcr\u00fcn kaynama noktas\u0131<\/h3>\n<p> CaC2&#8217;nin kaynama noktas\u0131 2300\u00b0C&#8217;dir. Bu, CaC2&#8217;nin bu s\u0131cakl\u0131kta s\u0131v\u0131dan gaza d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc anlam\u0131na gelir. Kaynama noktas\u0131 molek\u00fcller aras\u0131 kuvvetlerden ve atmosfer bas\u0131nc\u0131ndan etkilenir. CaC2, k\u0131r\u0131lmas\u0131 i\u00e7in \u00e7ok fazla enerji gerektiren g\u00fc\u00e7l\u00fc iyonik ba\u011flara sahiptir.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum karb\u00fcr Erime noktas\u0131<\/h3>\n<p> CaC2&#8217;nin erime noktas\u0131 2160\u00b0C&#8217;dir. Bu, CaC2&#8217;nin bu s\u0131cakl\u0131kta kat\u0131dan s\u0131v\u0131ya d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fc anlam\u0131na gelir. Erime noktas\u0131 ayn\u0131 zamanda molek\u00fcller aras\u0131 kuvvetlerden ve atmosfer bas\u0131nc\u0131ndan da etkilenir. CaC2, g\u00fc\u00e7l\u00fc iyonik ba\u011flar\u0131ndan dolay\u0131 y\u00fcksek bir erime noktas\u0131na sahiptir.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum karb\u00fcr yo\u011funlu\u011fu g\/ml<\/h3>\n<p> CaC2&#8217;nin yo\u011funlu\u011fu 2,22 g\/ml&#8217;dir. Bu, bir mililitre CaC2&#8217;nin k\u00fctlesinin 2,22 gram oldu\u011fu anlam\u0131na gelir. Yo\u011funluk, k\u00fctlenin hacme b\u00f6l\u00fcnmesiyle hesaplan\u0131r. Yo\u011funluk, maddedeki atomlar\u0131n veya molek\u00fcllerin konfig\u00fcrasyonuna ve d\u00fczenine ba\u011fl\u0131d\u0131r. CaC2 y\u00fcksek bir yo\u011funlu\u011fa sahiptir \u00e7\u00fcnk\u00fc atomlar\u0131 bir kristal yap\u0131da birbirine s\u0131k\u0131 bir \u015fekilde paketlenmi\u015ftir.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum Karb\u00fcr Molek\u00fcl A\u011f\u0131rl\u0131\u011f\u0131<\/h3>\n<p> CaC2&#8217;nin molek\u00fcler a\u011f\u0131rl\u0131\u011f\u0131 64.099 amu&#8217;dur (atomik k\u00fctle birimi). Bu, bir CaC2 molek\u00fcl\u00fcn\u00fcn 64.099 amu&#8217;luk bir k\u00fctleye sahip oldu\u011fu anlam\u0131na gelir. Molek\u00fcl a\u011f\u0131rl\u0131\u011f\u0131, form\u00fcldeki elementlerin atom k\u00fctlelerinin ilgili atom say\u0131lar\u0131yla \u00e7arp\u0131lmas\u0131yla hesaplan\u0131r. Kalsiyumun atom k\u00fctlesi 40.078 amu ve karbonunki 12.011 amu&#8217;dur. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/chemuza.org\/wp-content\/uploads\/2023\/08\/CaC2.jpg\" alt=\"Kalsiyum karb\u00fcr\" width=\"141\" height=\"109\" srcset=\"\" sizes=\"\"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"> Kalsiyum karb\u00fcr yap\u0131s\u0131<\/h3>\n<p> CaC2&#8217;nin yap\u0131s\u0131 faza (I, II veya III) ba\u011fl\u0131 olarak tetragonal, monoklinik veya monokliniktir. Bu, CaC2&#8217;nin farkl\u0131 durum ve ko\u015fullarda atomlar\u0131n\u0131n veya molek\u00fcllerinin farkl\u0131 \u015fekil ve d\u00fczenlemelerine sahip oldu\u011fu anlam\u0131na gelir. Yap\u0131, maddenin simetrisi ve geometrisi taraf\u0131ndan belirlenir. CaC2, faz I&#8217;de tetragonal bir yap\u0131ya, faz II&#8217;de monoklinik bir yap\u0131ya ve faz III&#8217;te ba\u015fka bir monoklinik yap\u0131ya sahiptir.<\/p>\n<h3 class=\"wp-block-heading\"> Kalsiyum karb\u00fcr\u00fcn \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc<\/h3>\n<p> CaC2&#8217;nin \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc suda h\u0131zl\u0131 hidrolizdir. Bu, CaC2&#8217;nin suyla h\u0131zla reaksiyona girdi\u011fi ve \u00fcr\u00fcnler olarak asetilen gaz\u0131 ve kalsiyum hidroksit olu\u015fturdu\u011fu anlam\u0131na gelir. \u00c7\u00f6z\u00fcn\u00fcrl\u00fck, belirli bir s\u0131cakl\u0131k ve bas\u0131n\u00e7ta, belirli bir \u00e7\u00f6z\u00fcc\u00fc i\u00e7inde \u00e7\u00f6z\u00fcnebilen madde miktar\u0131yla \u00f6l\u00e7\u00fcl\u00fcr. \u00c7\u00f6z\u00fcn\u00fcrl\u00fck, maddenin ve \u00e7\u00f6z\u00fcc\u00fcn\u00fcn do\u011fas\u0131na ve polaritesine ve ayr\u0131ca pH ve tuzluluk gibi di\u011fer fakt\u00f6rlere ba\u011fl\u0131d\u0131r.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> D\u0131\u015f g\u00f6r\u00fcn\u00fc\u015f<\/td>\n<td> Gri\/siyah kristalli veya renksiz kristal kat\u0131 i\u00e7eren beyaz toz <a href=\"https:\/\/www.chemeurope.com\/en\/encyclopedia\/Calcium_carbide.html\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><sup>3<\/sup><\/strong><\/a><\/td>\n<\/tr>\n<tr>\n<td> Spesifik yo\u011funluk<\/td>\n<td> 2.22<\/td>\n<\/tr>\n<tr>\n<td> Renk<\/td>\n<td> Renksiz (saf) veya gri\/kahverengi (teknik kalite)<\/td>\n<\/tr>\n<tr>\n<td> Koku<\/td>\n<td> Kokusuz (saf) veya sar\u0131msak benzeri (teknik dereceli)<\/td>\n<\/tr>\n<tr>\n<td> Molar k\u00fctle<\/td>\n<td> 64.099 gr\/mol<\/td>\n<\/tr>\n<tr>\n<td> Yo\u011funluk<\/td>\n<td> 2,22 gr\/cm3<\/td>\n<\/tr>\n<tr>\n<td> F\u00fczyon noktas\u0131<\/td>\n<td> 2160\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Kaynama noktas\u0131<\/td>\n<td> 2300\u00b0C<\/td>\n<\/tr>\n<tr>\n<td> Fla\u015f noktas\u0131<\/td>\n<td> 305\u00b0C (asetilen)<\/td>\n<\/tr>\n<tr>\n<td> sudaki \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> H\u0131zl\u0131 hidroliz<\/td>\n<\/tr>\n<tr>\n<td> \u00e7\u00f6z\u00fcn\u00fcrl\u00fck<\/td>\n<td> Etanol ve eterde \u00e7\u00f6z\u00fcnmez<\/td>\n<\/tr>\n<tr>\n<td> Buhar bas\u0131nc\u0131<\/td>\n<td> \u0130hmal edilebilir<\/td>\n<\/tr>\n<tr>\n<td> Buhar yo\u011funlu\u011fu<\/td>\n<td> 2.21 (asetilen)<\/td>\n<\/tr>\n<tr>\n<td> pKa<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<tr>\n<td> pH<\/td>\n<td> Uygulanamaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Kalsiyum Karb\u00fcr\u00fcn G\u00fcvenli\u011fi ve Tehlikeleri<\/strong><\/h2>\n<p> CaC2 yan\u0131c\u0131 ve tehlikeli bir kimyasald\u0131r. Su veya nem ile temas\u0131 halinde yang\u0131n ve patlama tehlikesi olu\u015fturabilir. Ayn\u0131 zamanda yan\u0131c\u0131 ve patlay\u0131c\u0131 olan asetilen gaz\u0131 a\u00e7\u0131\u011fa \u00e7\u0131kar\u0131r. CaC2 sa\u011fl\u0131\u011f\u0131n\u0131za da zarar verebilir. Bu cildi, g\u00f6zleri ve akci\u011ferleri tahri\u015f edebilir. Bu, d\u00f6k\u00fcnt\u00fcye, g\u00f6z hasar\u0131na, \u00f6ks\u00fcr\u00fc\u011fe ve nefes darl\u0131\u011f\u0131na neden olabilir. Ayr\u0131ca, b\u00fcy\u00fck miktarda nefes alman\u0131z durumunda ci\u011ferlerinizde s\u0131v\u0131 birikmesine de neden olabilir. CaC2 ile temastan ka\u00e7\u0131nmal\u0131 ve kullan\u0131rken koruyucu ekipman kullanmal\u0131s\u0131n\u0131z. Ayr\u0131ca kuru, kapal\u0131 bir kapta, herhangi bir tutu\u015fma kayna\u011f\u0131ndan uzakta saklamal\u0131s\u0131n\u0131z.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td> Tehlike sembolleri<\/td>\n<td> F (\u00e7ok yan\u0131c\u0131), C (a\u015f\u0131nd\u0131r\u0131c\u0131), W (su ile reaksiyona girer)<\/td>\n<\/tr>\n<tr>\n<td> G\u00fcvenlik A\u00e7\u0131klamas\u0131<\/td>\n<td> S2 (\u00e7ocuklar\u0131n ula\u015famayaca\u011f\u0131 yerde saklay\u0131n), S7\/8 (kab\u0131 s\u0131k\u0131ca kapal\u0131 ve kuru tutun), S16 (tutu\u015fturucu kaynaklardan uzak tutun), S26 (g\u00f6zle temas\u0131 halinde derhal bol su ile y\u0131kay\u0131n ve doktora ba\u015fvurun) tavsiye), S36\/37\/39 (uygun koruyucu k\u0131yafet, eldiven ve g\u00f6z\/y\u00fcz koruyucu kullan\u0131n), S43 (yang\u0131n durumunda kuru kum veya kuru kimyasal toz kullan\u0131n), S45 (kaza veya rahats\u0131zl\u0131k durumunda, derhal t\u0131bbi tavsiye)<\/td>\n<\/tr>\n<tr>\n<td> BM kimlik numaralar\u0131<\/td>\n<td> BM 1402<\/td>\n<\/tr>\n<tr>\n<td> HS kodu<\/td>\n<td> 28491000<\/td>\n<\/tr>\n<tr>\n<td> Tehlike s\u0131n\u0131f\u0131<\/td>\n<td> 4.3<\/td>\n<\/tr>\n<tr>\n<td> Paketleme grubu<\/td>\n<td> BEN<\/td>\n<\/tr>\n<tr>\n<td> Toksisite<\/td>\n<td> Oral LD50 s\u0131\u00e7an: 80 mg\/kg, LC50 soluma s\u0131\u00e7an\u0131: 1000 ppm\/4 saat<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 class=\"wp-block-heading\"> <strong>Kalsiyum Karb\u00fcr Sentez Y\u00f6ntemleri<\/strong><\/h2>\n<p> CaC2&#8217;yi kalsiyum ve karbon oksit kaynaklar\u0131ndan sentezlemek i\u00e7in farkl\u0131 y\u00f6ntemler vard\u0131r.<\/p>\n<p> En yayg\u0131n y\u00f6ntemlerden biri elektrik ark oca\u011f\u0131 y\u00f6ntemidir. Bu s\u00fcre\u00e7te, bir elektrik ark\u0131 <a href=\"https:\/\/chemuza.org\/tr\/sonmemis-kirec-kalsiyum-oksit-cao\/\">kire\u00e7<\/a> ve kok kar\u0131\u015f\u0131m\u0131n\u0131 yakla\u015f\u0131k 2.200\u00b0C&#8217;ye \u0131s\u0131t\u0131r. Reaksiyon endotermiktir ve erimi\u015f CaC2 ve karbon monoksit \u00fcretir. CaC2 eritildikten sonra so\u011fur ve kullan\u0131m amac\u0131na g\u00f6re \u00f6\u011f\u00fct\u00fclerek par\u00e7alara veya toz haline getirilir. Bu y\u00f6ntemin enerji t\u00fcketimi ve ekipman maliyeti y\u00fcksektir.<\/p>\n<p> Di\u011fer bir y\u00f6ntem ise kat\u0131 hal y\u00f6ntemidir. Bu y\u00f6ntemi ger\u00e7ekle\u015ftirmek i\u00e7in, <a href=\"https:\/\/chemuza.org\/tr\/sonmemis-kirec-kalsiyum-oksit-cao\/\">kalsiyum oksit<\/a> ve biyok\u00f6m\u00fcr veya biyok\u00fctleden t\u00fcretilmi\u015f odun k\u00f6m\u00fcr\u00fc kar\u0131\u015f\u0131m\u0131n\u0131 bir f\u0131r\u0131nda yakla\u015f\u0131k 1.750\u00b0C&#8217;ye \u0131s\u0131t\u0131n. Reaksiyon kat\u0131-kat\u0131d\u0131r ve kat\u0131 CaC2 ve karbon monoksit \u00fcretir. CaC2 kat\u0131s\u0131n\u0131 do\u011frudan kullanabilir veya daha fazla i\u015fleyebilirsiniz. Bu y\u00f6ntemin enerji t\u00fcketimi ve ekipman maliyeti elektrik ark oca\u011f\u0131 y\u00f6ntemine g\u00f6re daha d\u00fc\u015f\u00fckt\u00fcr.<\/p>\n<p> \u00dc\u00e7\u00fcnc\u00fc bir y\u00f6ntem ise k\u00f6m\u00fcr kok g\u00fc\u00e7 kalitesi ikame y\u00f6ntemidir. \u0130\u015flemi ger\u00e7ekle\u015ftirmek i\u00e7in d\u00fc\u015f\u00fck kaliteli k\u00f6m\u00fcr ve <a href=\"https:\/\/chemuza.org\/tr\/sonmemis-kirec-kalsiyum-oksit-cao\/\">kire\u00e7<\/a> kar\u0131\u015ft\u0131r\u0131larak peletler olu\u015fturulur ve ard\u0131ndan 1000\u00b0C s\u0131cakl\u0131ktaki f\u0131r\u0131nda piroliz edilir. \u00dcretilen gaz elektrik \u00fcretiyor ve s\u0131cak peletler 2000\u00b0C&#8217;deki CaC2 f\u0131r\u0131n\u0131na aktar\u0131l\u0131yor. Reaksiyon kat\u0131-kat\u0131d\u0131r ve erimi\u015f CaC2 ve karbon monoksit \u00fcretir. So\u011futulduktan sonra erimi\u015f CaC2, topaklar veya toz olu\u015fturmak \u00fczere \u00f6\u011f\u00fct\u00fclmeye tabi tutulur. Bu y\u00f6ntem, elektrik ark oca\u011f\u0131 y\u00f6ntemine g\u00f6re daha y\u00fcksek enerji verimlili\u011fine ve kaynak kullan\u0131m\u0131na sahiptir.<\/p>\n<h2 class=\"wp-block-heading\"> <strong>Kalsiyum Karb\u00fcr\u00fcn Kullan\u0131m Alanlar\u0131<\/strong><\/h2>\n<ul>\n<li> CaC2 su ile reaksiyona girdi\u011finde asetilen gaz\u0131 ve kalsiyum hidroksit \u00fcretir. Asetilen gaz\u0131, polivinil klor\u00fcr, vinil asetat, 1,4-butandiol vb. gibi bir\u00e7ok organik kimyasal\u0131n ve polimerin sentezi i\u00e7in \u00f6nemli bir ara maddedir. Kalsiyum hidroksit, birden fazla kullan\u0131ma sahip \u00e7ok y\u00f6nl\u00fc bir bile\u015fiktir.<\/li>\n<li> Kalsiyum siyanamid \u00fcretmek i\u00e7in insanlar CaC2&#8217;yi y\u00fcksek s\u0131cakl\u0131klarda nitrojenle reaksiyona sokar. Kalsiyum siyanamid azotlu g\u00fcbre, herbisit ve yaprak d\u00f6k\u00fcc\u00fc g\u00f6revi g\u00f6r\u00fcr.<\/li>\n<li> Demir, d\u00f6kme demir, d\u00f6kme demir ve \u00e7eli\u011fin k\u00fck\u00fcrt i\u00e7eri\u011fini azaltmak i\u00e7in CaC2 kullan\u0131l\u0131r. Bu kimyasal bile\u015fik k\u00fck\u00fcrt ile reaksiyona girerek kalsiyum s\u00fclf\u00fcr olu\u015fturur ve metalin k\u00fck\u00fcrtten ar\u0131nd\u0131r\u0131lmas\u0131n\u0131 etkili bir \u015fekilde sa\u011flar. Bu i\u015flem \u00e7elik \u00fcr\u00fcnlerin kalitesini ve s\u00fcnekli\u011fini art\u0131r\u0131r.<\/li>\n<li> Karb\u00fcr lambalar, yand\u0131\u011f\u0131nda \u0131\u015f\u0131k \u00fcreten asetilen gaz\u0131 \u00fcretmek i\u00e7in CaC2 kullan\u0131r. Bu lambalar, elektrik lambalar\u0131 yayg\u0131nla\u015fmadan \u00f6nce madencilik, ma\u011farac\u0131l\u0131k, bisiklet ve otomobil end\u00fcstrilerinde pop\u00fclerdi.<\/li>\n<li> \u0130nsanlar CaC2&#8217;yi muz, mango ve papaya gibi meyvelerde olgunla\u015ft\u0131r\u0131c\u0131 madde olarak kullan\u0131yor. Etilen gaz\u0131 salg\u0131layarak olgunla\u015fma s\u00fcrecini h\u0131zland\u0131r\u0131r ve meyvenin rengini ve tatl\u0131l\u0131\u011f\u0131n\u0131 art\u0131r\u0131r. Pek \u00e7ok \u00fclke, meyveleri olgunla\u015ft\u0131rmak i\u00e7in CaC2 kal\u0131nt\u0131s\u0131 kullanma uygulamas\u0131n\u0131, bununla ili\u015fkili sa\u011fl\u0131k riskleri nedeniyle yasa d\u0131\u015f\u0131 ve zararl\u0131 olarak de\u011ferlendirmektedir.<\/li>\n<li> \u0130nsanlar y\u00fcksek ses \u00e7\u0131karmak i\u00e7in bambu toplar\u0131nda ve b\u00fcy\u00fck patlama toplar\u0131nda CaC2 kullan\u0131yorlar. Suyla kar\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda herkes i\u00e7in e\u011flenceli ve \u015fenlikli bir deneyim yaratmak \u00fczere ate\u015flenen asetilen gaz\u0131 \u00fcretir.<\/li>\n<li> Ayr\u0131ca \u00e7elik yap\u0131m\u0131nda deoksidan olarak da kullan\u0131l\u0131r. Erimi\u015f \u00e7elikten oksijeni uzakla\u015ft\u0131r\u0131r ve \u00e7elik \u00fcr\u00fcnlerin kalitesini etkileyebilecek oksitlerin olu\u015fumunu engeller.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"> <strong>Sorular:<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr yerel olarak nereden sat\u0131n al\u0131n\u0131r?<\/h3>\n<p> C: B\u00f6lgenizdeki baz\u0131 h\u0131rdavat veya kaynak malzemeleri ma\u011fazalar\u0131nda az miktarda CaC2 bulabilirsiniz. Ancak b\u00fcy\u00fck miktarlarda CaC2&#8217;ye ihtiyac\u0131n\u0131z varsa bunu do\u011frudan \u00fcreticilerden ithal etmek en iyisi olabilir. Baz\u0131 tedarik\u00e7ilerle \u00e7evrimi\u00e7i ileti\u015fime ge\u00e7ebilirsiniz.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr nas\u0131l giderilir?<\/h3>\n<p> C: CaC2 tehlikeli bir at\u0131kt\u0131r ve uygun \u015fekilde bertaraf edilmesi gerekir. Suyla reaksiyona girip yan\u0131c\u0131 ve patlay\u0131c\u0131 asetilen gaz\u0131 \u00fcretebilece\u011fi i\u00e7in \u00e7\u00f6pe atmay\u0131n veya kanalizasyona atmay\u0131n. CaC2&#8217;nin g\u00fcvenli bir \u015fekilde nas\u0131l imha edilece\u011fi konusunda tavsiye almak i\u00e7in yerel tehlikeli at\u0131k yetkilinizle veya lisansl\u0131 bir at\u0131k imha \u015firketiyle ileti\u015fime ge\u00e7melisiniz. \u0130yi havaland\u0131r\u0131lm\u0131\u015f bir alanda su ile n\u00f6tralize edilmesi ve daha sonra nakliye i\u00e7in kapal\u0131 bir kapta paketlenmesi gerekebilir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr a\u011f\u0131r su ile reaksiyona girdi\u011finde ne olu\u015fur?<\/h3>\n<p> C: A\u011f\u0131r su, hidrojen yerine d\u00f6teryum i\u00e7eren sudur. D\u00f6teryum, \u00e7ekirde\u011finde bir proton ve bir n\u00f6tron bulunan bir hidrojen izotopudur. CaC2 a\u011f\u0131r suyla reaksiyona girdi\u011finde kalsiyum hidroksit ve d\u00f6teryumlanm\u0131\u015f asetilen olu\u015fturur. D\u00f6teryumlanm\u0131\u015f asetilen, hidrojen yerine d\u00f6teryum i\u00e7eren asetilendir. Bu reaksiyonun kimyasal denklemi \u015f\u00f6yledir:<\/p>\n<p> CaC2 + 2D2O -&gt; Ca(OD)2 + C2D2<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr tehlikeli midir?<\/h3>\n<p> C: Evet, CaC2 tehlikelidir ve dikkatle kullan\u0131lmal\u0131d\u0131r. Ayn\u0131 zamanda yan\u0131c\u0131 ve patlay\u0131c\u0131 olan asetilen gaz\u0131n\u0131 a\u00e7\u0131\u011fa \u00e7\u0131kard\u0131\u011f\u0131 i\u00e7in su veya nem ile temas etti\u011finde yang\u0131n ve patlama tehlikesi olu\u015fturabilir. Cildinizi, g\u00f6zlerinizi ve ci\u011ferlerinizi tahri\u015f edebilece\u011fi i\u00e7in sa\u011fl\u0131\u011f\u0131n\u0131za da zarar verebilir. CaC2 deri d\u00f6k\u00fcnt\u00fclerine, g\u00f6z hasar\u0131na, \u00f6ks\u00fcr\u00fc\u011fe ve nefes darl\u0131\u011f\u0131na neden olabilir. Ayr\u0131ca, b\u00fcy\u00fck miktarda nefes alman\u0131z durumunda ci\u011ferlerinizde s\u0131v\u0131 birikmesine de neden olabilir. CaC2 ile temastan ka\u00e7\u0131nmal\u0131 ve kullan\u0131rken koruyucu ekipman kullanmal\u0131s\u0131n\u0131z. Ayr\u0131ca kuru, kapal\u0131 bir kapta, herhangi bir tutu\u015fma kayna\u011f\u0131ndan uzakta saklamal\u0131s\u0131n\u0131z.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr iyonik mi yoksa kovalent mi?<\/h3>\n<p> C: CaC2 iyonik bir bile\u015fiktir. Kalsiyum iyonlar\u0131ndan (Ca2+) ve karb\u00fcr iyonlar\u0131ndan (C22-) olu\u015fur. \u0130yonik bile\u015fikler, kararl\u0131 elektronik konfig\u00fcrasyonlar elde etmek i\u00e7in metal atomlar\u0131 elektron kaybetti\u011finde ve ametal atomlar elektron kazand\u0131\u011f\u0131nda olu\u015fur. Ortaya \u00e7\u0131kan iyonlar elektrostatik \u00e7ekim kuvvetleri taraf\u0131ndan bir arada tutulur. CaC2, k\u0131r\u0131lmas\u0131 i\u00e7in \u00e7ok fazla enerji gerektiren g\u00fc\u00e7l\u00fc iyonik ba\u011flara sahiptir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr nas\u0131l yap\u0131l\u0131r?<\/h3>\n<p> C: CaC2, kire\u00e7 (kalsiyum oksit) ve kok (karbon) kar\u0131\u015f\u0131m\u0131n\u0131n bir elektrik ark oca\u011f\u0131nda yakla\u015f\u0131k 2200\u00b0C&#8217;ye \u0131s\u0131t\u0131lmas\u0131yla elde edilir. Reaksiyon endotermiktir ve erimi\u015f CaC2 ve karbon monoksit \u00fcretir. Erimi\u015f CaC2 daha sonra so\u011futulur ve par\u00e7alar veya toz halinde \u00f6\u011f\u00fct\u00fcl\u00fcr. Bu y\u00f6ntemin enerji t\u00fcketimi ve ekipman maliyeti y\u00fcksektir. Biyok\u00f6m\u00fcr veya d\u00fc\u015f\u00fck dereceli k\u00f6m\u00fcr gibi farkl\u0131 karbon kaynaklar\u0131n\u0131 kullanan ba\u015fka y\u00f6ntemler ve kat\u0131 hal \u0131s\u0131tma veya ind\u00fcksiyonla \u0131s\u0131tma gibi farkl\u0131 \u0131s\u0131tma y\u00f6ntemleri de vard\u0131r. Bu y\u00f6ntemler, elektrik ark oca\u011f\u0131 y\u00f6ntemine g\u00f6re daha d\u00fc\u015f\u00fck enerji t\u00fcketimine ve ekipman maliyetine sahip olabilir.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karbonat\u0131 kalsiyum karb\u00fcre d\u00f6n\u00fc\u015ft\u00fcrebilir miyim?<\/h3>\n<p> C: Hay\u0131r, kalsiyum karbonat\u0131 do\u011frudan CaC2&#8217;ye d\u00f6n\u00fc\u015ft\u00fcremezsiniz. Kalsiyum karbonat, y\u00fcksek s\u0131cakl\u0131klarda karbonla reaksiyona girmeyen stabil bir bile\u015fiktir. Kalsiyum karbonat\u0131n \u00f6ncelikle hava yoklu\u011funda kuvvetli bir \u015fekilde \u0131s\u0131t\u0131larak (kalsinasyon) kalsiyum okside d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi gerekir. Daha sonra CaC2 (karb\u00fcrizasyon) \u00fcretmek i\u00e7in kalsiyum oksidi y\u00fcksek s\u0131cakl\u0131klarda karbonla reaksiyona sokabilirsiniz. Bu prosesin genel kimyasal denklemi \u015f\u00f6yledir:<\/p>\n<p> CaCO3 -&gt; CaO + CO2<\/p>\n<p> CaO + 3C -&gt; CaC2 + CO<\/p>\n<h3 class=\"wp-block-heading\"> Soru: A\u015fa\u011f\u0131daki tepkimelerden hangisi do\u011frudur? Ca(lar) + 2C(ler) -&gt; CaC2(ler) + 62,8 kJ<\/h3>\n<p> C: Tepkime i\u00e7in a\u015fa\u011f\u0131daki ifadeler do\u011frudur:<\/p>\n<ul>\n<li> \u0130ki veya daha fazla elementin birle\u015ferek bir bile\u015fik olu\u015fturdu\u011fu sentetik bir reaksiyondur.<\/li>\n<li> Bu, \u0131s\u0131n\u0131n \u00e7evreye sal\u0131nd\u0131\u011f\u0131 ekzotermik bir reaksiyondur.<\/li>\n<li> Bu, kalsiyumun oksitlendi\u011fi ve karbonun indirgendi\u011fi bir redoks reaksiyonudur.<\/li>\n<li> Bu, kalsiyum oksit ve karbondan CaC2 olu\u015fumunun ters reaksiyonudur.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"> S: Cac2(ler)&#8217;in standart olu\u015fum \u0131s\u0131s\u0131 nedir?<\/h3>\n<p> C: Cac2(s)&#8217;nin standart olu\u015fum \u0131s\u0131s\u0131, 25\u00b0C ve 1 atm&#8217;de standart hallerindeki elementlerinden bir mol CaC2 olu\u015ftu\u011funda meydana gelen entalpi de\u011fi\u015fimidir. Hess yasas\u0131n\u0131 kullanarak verilen termokimyasal denklemlerden hesaplanabilir. CaC2 olu\u015fumunun genel denklemi \u015f\u00f6yledir:<\/p>\n<p> Ca(lar) + 2C(ler) -&gt; CaC2(ler)<\/p>\n<p> Hess yasas\u0131n\u0131 kullanarak \u015funu yazabiliriz:<\/p>\n<p> \u0394Hf\u00b0(CaC2) = \u0394H\u00b0(Ca + 2C -&gt; CaC2)<\/p>\n<p> = \u0394H\u00b0(Ca + 2H2O -&gt; Ca(OH)2 + H2) + \u0394H\u00b0(Ca(OH)2 -&gt; CaO + H2O) + \u0394H\u00b0(CaO + 3C -&gt; CaC2 + CO) + \u0394H\u00b0(CO) -&gt; C + O2) + \u0394H\u00b0(H2 + O2 -&gt; H2O)<\/p>\n<p> = -414,79 kJ + 65,19 kJ + 462,30 kJ \u2013 221,00 kJ \u2013 571,80 kJ = -680,10 kJ<\/p>\n<p> Bu nedenle cac2(s)&#8217;nin standart olu\u015fum \u0131s\u0131s\u0131 -680,10 kJ\/mol&#8217;d\u00fcr.<\/p>\n<h3 class=\"wp-block-heading\"> S: 0,35 mol hcch(g) \u00fcretmek i\u00e7in ka\u00e7 gram cac2 gerekli olacakt\u0131r?<\/h3>\n<p> C: Bu soruyu cevaplamak i\u00e7in CaC2 ile su aras\u0131ndaki reaksiyonun dengeli denklemini kullanmam\u0131z gerekiyor:<\/p>\n<p> CaC2(ler) + 2H2O(l) -&gt; C2H2(g) + Ca(OH)2(aq)<\/p>\n<p> Bu denklemden, bir mol cac2&#8217;nin bir mol hcch (asetilen olarak da bilinir) \u00fcretti\u011fini g\u00f6rebiliriz. Bu nedenle 0,35 mol hcch \u00fcretmek i\u00e7in 0,35 mol cac2&#8217;ye ihtiyac\u0131m\u0131z var. Molleri gramlara d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in cac2&#8217;nin molar k\u00fctlesi olan 64.099 g\/mol&#8217;\u00fc kullanmam\u0131z gerekir. Molleri molar k\u00fctle ile \u00e7arparak \u015funu elde ederiz:<\/p>\n<p> 0,35 mol x 64,099 g\/mol = 22,435 g<\/p>\n<p> Bu nedenle 0,35 mol hcch \u00fcretmek i\u00e7in 22,435 gram cac2&#8217;ye ihtiyac\u0131m\u0131z var.<\/p>\n<h3 class=\"wp-block-heading\"> S: 49,0 g su ile tamamen reaksiyona girebilmek i\u00e7in ka\u00e7 mol cac2 gereklidir?<\/h3>\n<p> C: Bu soruyu cevaplamak i\u00e7in kalsiyum karb\u00fcr ile su aras\u0131ndaki reaksiyona ili\u015fkin dengeli denklemi kullanmam\u0131z gerekir:<\/p>\n<p> CaC2(ler) + 2H2O(l) -&gt; C2H2(g) + Ca(OH)2(aq)<\/p>\n<p> Bu denklemden bir mol cac2&#8217;nin iki mol h2o ile reaksiyona girdi\u011fini g\u00f6rebiliriz. Bu nedenle, gereken cac2 mollerini bulmak i\u00e7in h2o mollerini ikiye b\u00f6lmemiz gerekir. Gram\u0131 mol&#8217;e d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in suyun molar k\u00fctlesi olan 18.015 g\/mol&#8217;\u00fc kullanmam\u0131z gerekir. Gram\u0131 molar k\u00fctleye b\u00f6lerek \u015funu elde ederiz:<\/p>\n<p> 49,0 g \/ 18,015 g\/mol = 2,72 mol<\/p>\n<p> Bunu ikiye b\u00f6lmek \u015funu verir:<\/p>\n<p> 2,72 mol \/ 2 = 1,36 mol<\/p>\n<p> Bu nedenle 49,0 g h2o ile tamamen reaksiyona girebilmesi i\u00e7in 1,36 mol cac2&#8217;ye ihtiyac\u0131m\u0131z var.<\/p>\n<h3 class=\"wp-block-heading\"> S: Kalsiyum karb\u00fcr ile su aras\u0131ndaki reaksiyonun \u00fcr\u00fcnleri nelerdir?<\/h3>\n<p> C: CaC2 ile su aras\u0131ndaki reaksiyonun \u00fcr\u00fcnleri asetilen gaz\u0131 ve kalsiyum hidroksit \u00e7\u00f6zeltisidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kalsiyum karb\u00fcr, CaC2 form\u00fcl\u00fcne sahip kimyasal bir bile\u015fiktir. Esas olarak asetilen gaz\u0131 ve kalsiyum siyanamid \u00fcretmek i\u00e7in kullan\u0131l\u0131r. Asetilen gaz\u0131 ve kalsiyum hidroksit \u00fcretmek i\u00e7in suyla reaksiyona girer. \u0130nsanlar bunu kaynak ve ayd\u0131nlatma i\u00e7in kullan\u0131yor. IUPAC&#8217;\u0131n ad\u0131 Kalsiyum etinediit Molek\u00fcler form\u00fcl CaC2 CAS numaras\u0131 75-20-7 E\u015f anlaml\u0131 Kalsiyum asetilit, kalsiyum perkarbon, kalsiyum dikarbit, kalsiyum karb\u00fcro, &#8230; <a title=\"Kalsiyum karb\u00fcr \u2013 cac2, 75-20-7\" class=\"read-more\" href=\"https:\/\/chemuza.org\/tr\/kalsiyum-karbur-cac2\/\" aria-label=\"More on Kalsiyum karb\u00fcr \u2013 cac2, 75-20-7\">Devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kalsiyum karb\u00fcr - CaC2, 75-20-7<\/title>\n<meta name=\"description\" content=\"Kalsiyum karb\u00fcr, CaC2 form\u00fcl\u00fcne sahip kimyasal bir bile\u015fiktir. 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