HangangaPūtaiao

Ko te ture tuatahi, me te tuarua o Faraday

He tonu te kawehiko te nui etahi o ngā katote me tohu "me" me te "tango", rite mā te tauhohe i te rāpoi ngota o matū rewa ki te whakarewa. A, no te puta te reira i roto i te mara hiko, tīmata katote ki te neke ki te electrodes, te wiwi pai ki te pitoiho, kino - ki te pitoake. I muri pa nga electrodes, te katote hoatu ratou e tahuri o ratou utu ki ngota kūpapa me e takoto i runga i te electrodes. Ko te katote pai atu ki nga electrodes, ka kia hiki te rahi mo te matū.

Ko te mutunga e taea tatou e haere mai, me te empirically tenei. Haere i te nāianei i roto i te wairewa o te konukura pākawa , a ka mau i te tuku o te parahi i runga i te waro pitoiho. kitea e tatou e te tuatahi taupokina ai a reira ki te apa o te parahi papaki kite, ka rite ki te hōkaiipurangi nāianei ka whakanui i reira, a na irava auroa o nāianei he wātea ana i te waro kawehiko apa matotoru nui o parahi, i te mea ngāwari ki te tūhoto, mo te tauira, waea parahi.

Ko te āhuatanga o te rauemi wehe i runga i te electrodes i huaina e haere nāianei i roto i te kawehiko te iahiko.

E haere ana i ngā ngā iahiko rerekē, me te āta ine i te papatipu o te taonga tukua i nga electrodes o ia o te kawehiko, te Ingarihi ahupūngao Faraday i 1833 - 1834 tau. whakatuwheratia e ahau e rua ture mo te iahiko.

whakau ana ture o te Faraday tuatahi he hononga i waenganui i te papatipu o te taonga fakatau'atāina'i e-iahiko me te uara tiaki kua haere e na roto i te kawehiko.

whakatakoto ana tēnei ture te e whai ake: he tika hautanga ki te nui o te tiaki i haere nei i roto i te kawehiko papatipu o te taonga e i tohaina i roto i te iahiko, i runga i ia kawehiko:

m = kq,

te wahi m - papatipu o te rauemi i i tawhiti, q - tiaki.

Ko te k uara - elektrohimicheskimy taonga ōrite. Ko reira angamaheni mo ia taonga tukua i roto i te kawehiko.

Ki te tangohia e koe te tātai q = 1 tautau, ka k = m, arā ōrite iahiko o te taonga ki te kia numera rite ki te taimaha o te taonga tīpakohia i te kawehiko mā te haere i te tiaki i roto i te kotahi tautau.

Faaite i roto i te tātai mā te tiaki ahau nāianei, me te wa t, whiwhi tatou:

m = Kit.

takina te ture tuatahi o Faraday i runga i te wheako e whai ake. Haere i te nāianei i roto i nga electrolytes A, B me C. Ki te he ōrite ratou, ka ka e tukinotia te papatipu o te taonga tīpakohia i roto i te A, B, me C rite nga ngā ahau, I1, I2. Ko te maha o ngā matū tīpakohia i te, he rite ki te moni o te buka tohaina ki B me C, mai te nāianei ahau = I1 + I2.

whakau ana ture o te tuarua Faraday te fakafalala o te ōrite iahiko o ngota taimaha me te honohono, taonga, me whakatakoto e whai ake: ka waiho hautanga ki to ratou taimaha ngota, a inversely hautanga ki tona valency ōrite iahiko o te taonga.

Ko te ōwehenga o te taimaha o te taonga ki tona honohono, ngota i huaina taonga ōrite matū. Tomo tenei uara, ka taea te whakatakoto rerekē ture tuarua o te Faraday: he hautanga ki o ratou ake ritenga matū te ōrite iahiko o te taonga.

Kia e aua K1 me K2 taurite iahiko o matū rerekē, k3, ..., KN, matū taua ritenga o te taua matū x1 me x2, x23, ..., xn, ka K1 / K2 = x1 / x2, K1 / x1 = K2 ranei / x2 = k3 / x3 = ... = KN / xn.

I roto i te mau parau te tahi atu, te ōwehenga o te ōrite iahiko o te taonga ki te nui o te taonga taua ko te tamau mo matū katoa he te uara kotahi:

k / x = c.

whai te reira e te ōwehenga o te k / x he tamau mō matū katoa:

k / x = c = 0, 01036 (meq) / k.

tohu te uara ki te tini o koma haumano ritenga matū i runga i te electrodes tukua te i roto i te irava i roto i te kawehiko o tiaki hiko, rite ki te 1 Coulomb. Ko te ture tuarua o Faraday māngai e te tātai:

k = cx.

Whakakapi tenei kīanga mō k i roto i te ture tuatahi o Faraday, taea te rua te ngā ki te kīanga kotahi:

m = kq = cxq = cxIt,

te wahi c - tamau ao o 0 00001036 (EQ) / k.

E whakaatu ana tēnei tātai e na roto i te haere i te taua o nāianei hoki te wā ano o te wa i roto i te kawehiko rua rerekē, wehe matou i te nui e rua o matū electrolytes no ona ritenga rite matū.

Mai x = A / n, ka taea tatou te tuhituhi:

m = Ca / nit,

i.e., ki te papatipu o te taonga tīpakohia i runga i te electrodes i roto i te iahiko kia tika hautanga ki tona taimaha ngota, o nāianei, te wā, me inversely hautanga ki te valency.

Ko te ture tuarua o Faraday ki-iahiko, me te te tuatahi, whai tika i te āhua o te nāianei katote i roto i te otinga.

ture o Faraday, Lenz, me te maha atu i physicists rongonui He wāhi nui i roto i te hītori me te whanaketanga o te ahupūngao.

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