elektr yurituvchi kuch

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mavzu: muvozanatdagi elektrokimyoviy zanjirlar va ularning eyuksi. mavzu: elektr yurituvchi kuch reja: elektr yurituvchi kuchni aniklash usullari. elektr yurituvchi kuchdan fizik-kimyoviy taxlilda foydalanish. metallar korroziyasi. elektr yurituvchi kuch ikki elekrodlari o'zining tuz eritmalariga tushirilgan bo'lgan sistema,ular o'rtasida elektr yurituvchi kuch paydo bo'lib, u ikki elektrod potentsiallarini ayirmasiga teng : e = e+ - e- gde e – elektrodvijushaya sila elementa (e.d.s.) e+ , e- - musbat va manfiy zaryadlangan elektrodlar potentsiallari. nernsta tanglamasi: 2,303 ·r·t e = e0 + ————— lg α men+ n f buerda e – elektrod potentsial, v e0- o'rtacha (standart elektrod potentsial), v r – universal gazdashmiysi 8,31 dj/mol·k t – absolyut temperatura, k n –ionga aylangan metall atomi bergan elektronlar soni, f –faradey soni (9,65·104 kl/mol) α men+- eritmadagi metalla ionov aktivligi yoki kontsentratsiya suvga tushurilgan metalning potentsialni paydo bo'lish sxemasi. normal vodorod elektrodini tayyorlashda platina plastinkasi elektroliz usulida g'ovak platina qatlami bilan qoplanadi. bundan …

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ox-red — 1,03, pacmeopennsiii 418 pacnnase xpuonuma pacnaas ‘amomunus 2ax mipoucxomat peaknnn: ha anone c(rb) + 207- + co,(r) + 4e~ ha katone 3e7 + ap*+ + al(x.) aoéoenenue naci pacnnae nacl 2kenesnas nepezopodna, npensimemeyio— | was nonmonny u cl, = yeonsneri anod bs 2cl = clp(e) + 26° hkenesneiii xamod 2na’ + 26 — 2na6x) g = s z at cathode at anode anode (zinc inner case) cathode (graphite rod) paste of mno,, nh,cl, and carbon cathode (steel) insulation anode (zinc container) paste of hgo (oxidizing agent) in a basic medium of koh and zn(oh), lg, rae sa ar snell et en sr le es, eeo: positive terminal ___e--— negative terminal dry cell insulator graphite rod (cathode) mnoz in nh,ci/zncl, paste zinc can (anode) 17_360 porous disk reducing agent oxidizing agent e – e – e – e – e – e – cathode anode (b) (a) leacinnemibimesialan ins …

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ani himoya qilish usullari kimyoviy chidamli metall yuzasini korrozion muhitni qotishmalarni qo’llash qgoplamalar bilan qayta ishlash himoya qilish s | elektrokimyoviy usullar korrozion darzlar bir tekisli korroziya kristallararo korroziya ba‘zi qismdagi korroziya tosepxnocms epynma bo®oppoaodnas tousennsii —™py8a (xamod) anexmponum hsonuposannas medias nposonona taso ‘coedunenue maenuessid oa (anod)

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mavzu: muvozanatdagi elektrokimyoviy zanjirlar va ularning eyuksi. mavzu: elektr yurituvchi kuch reja: elektr yurituvchi kuchni aniklash usullari. elektr yurituvchi kuchdan fizik-kimyoviy taxlilda foydalanish. metallar korroziyasi. elektr yurituvchi kuch ikki elekrodlari o'zining tuz eritmalariga tushirilgan bo'lgan sistema,ular o'rtasida elektr yurituvchi kuch paydo bo'lib, u ikki elektrod potentsiallarini ayirmasiga teng : e = e+ - e- gde e – elektrodvijushaya sila elementa (e.d.s.) e+ , e- - musbat va manfiy zaryadlangan elektrodlar potentsiallari. nernsta tanglamasi: 2,303 ·r·t e = e0 + ————— lg α men+ n f buerda e – elektrod potentsial, v e0- o'rtacha (standart elektrod potentsial), v r – universal gazdashmiysi 8,31 dj/mol·k t – absolyut temperatura, k n –ionga aylangan metall atomi b...

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