I-Sodium cyanide (NaCN) yikhompawundi enetyhefu kakhulu enezicelo ezibalulekileyo kwimizi-mveliso , kodwa ikwabeka nemingcipheko emikhulu ngenxa yetyhefu yayo. Ukuqonda iipropati zayo zomzimba, njenge- melting point kunye ne-boiling point , kubalulekile ekuphathweni ngokukhuselekileyo nasekusetyenzisweni ngokufanelekileyo kwiinkqubo ezahlukeneyo zemizi-mveliso. Ngoko ke, yintoni kanye kanye i-melting point kunye ne-boiling point ye -sodium cyanide?
Iqondo lokunyibilika kweSodium Cyanide limalunga nama-563.7 °C (1.046.7 °F). Kulo bushushu, iSodium cyanide eqinileyo itshintsha ibe yimeko yolwelo. Iqondo lokubila lesodium cyanide limalunga ne-1.496 °C (2.725 °F). Xa ifudunyezwa kobu bushushu, i-sodium cyanide engamanzi iyanyibilika ize ibe yimeko yegesi.
Ezi ngongoma zokunyibilika kunye nokubilisa zisisiphumo sebhondi eyomeleleyo ye-ionic ngaphakathi kwe-sodium cyanide crystal lattice. I-sodium cyanide iyikhompawundi ye-ionic eyenziwa yi-reaction ye-sodium ions (Na +) kunye ne-cyanide ions (CN-). Umtsalane we-electrostatic phakathi kwee-ion zesodium ezichajiwe kakuhle kunye neeyoni zecyanide ezihlawuliswa kakubi kudala isakhiwo esizinzileyo esifuna umthamo omkhulu wamandla ukuze siphuke, okukhokelela kumanqaku aphezulu okunyibilika kunye nokubila.
Ngenxa yamanqaku ayo aphezulu okunyibilika kunye nokubilisa, i-sodium cyanide ihlala izinzile phantsi kweemeko eziqhelekileyo zendawo. Nangona kunjalo, xa isesichengeni sobushushu obuphezulu, ngakumbi kufutshane okanye ngaphezulu kwendawo yokubila kwayo, inokukhupha igesi eyityhefu yehydrogen cyanide, eyingozi kakhulu kwimpilo yabantu nakwimekobume.
Kwiimeko zoshishino, apho i-sodium cyanide isetyenziselwa iinkqubo ezifana negolide kunye nesilivere ye-extraction, i-electroplating, kunye ne-chemical synthesis, i-protocols eqinile yokhuseleko isendaweni yokukhusela ukuvezwa ngengozi kunye nokukhululwa kwezinto ezinobuthi. Abasebenzi abaphatha i-sodium cyanide kufuneka baqeqeshwe kakuhle kwaye baxhotyiswe ngezixhobo ezifanelekileyo zokuzikhusela.
Ukuqukumbela, indawo enyibilikayo ye-sodium cyanide imalunga ne-563.7 ° C, kwaye indawo yayo yokubilisa ijikeleze i-1.496 ° C. Ezi mpawu zomzimba zibalulekile ukwazi kuye nabani na osebenza okanye ofunda le khompawundi ukuqinisekisa ukhuseleko kunye nokusetyenziswa ngendlela eyiyo.
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