Hanganga, Mātauranga Tuarua me ngā kura
Alkali - tenei turanga e kore ranei? He aha e ona āhuatanga?
He aha te waikawa tote ranei mohiotia ona, tino pai. He uaua ki te kitea te tangata e kore e nei i pupuri i te pounamu o te winika e whakamahia ana i roto i te kai te ora ranei, kahore nei te mea hou, me te akeake tata tetahi kai. Ko te aha te houra? Ko te taua rite te turanga tenei, ranei e kore? He aha hanga rerekē i te reira i te waikawa? Ka taea e taua mau uiraa takahi tetahi, a reira tukua ki tatou tāmata i te matauranga e kotahi i roto i te kura.
Alkali - he aha te mea tenei?
Hei timata ki, te pūhui whakarewa ki te wai i roto i te matū i huaina waihā. Ko te taonga o tenei momo, te haukini, alkali ranei whakarewa whenua kawakore, mohiotia te rite te alkali. I roto i tahuri, i te turanga - ko te kawehiko, i ngā, i roto i te tua ki ngā katote waihā (OH -), kahore atu ngota tīhiko. Ko te kupu, Ka taea e tatou te mea e te alkali - ko tetahi turanga wairewa. Ki te hanga i te taua waihā whakarewa kia subgroups Ia ko IIa (te hunga e haere mai ana i muri i te konupūmā). kia tauira o taua pūhui konutai houra (NaOH tātai), te konutai bariat (Ba (OH) 2), te konurehu waihā (KOH), caesium waihā (CsOH), me ētahi atu tohu ratou he taonga ma totoka, e kua āhuatanga e hygroscopicity teitei.
āhuatanga kawakore
haere tahi Tuhinga i roto i te wai o taua pūhui e whakatupuranga wera nui. I roto i te Rōpū Ia alkali kaha - he waihā caesium me te IIa Group - waihā konutuki. He tauira o tenei momo o hononga ngoikore taea mahi haukini me te kotakota slaked. He wairewa i roto i te waihā ewaro me te methanol kawakore waihā. I roto i te āhua totoka mimiti enei matū katoa wai i te rangi me te hauhā me te āta puta ki pākawa waro. Ko te taonga tino nui o te alkali ko e rite ki te hua o tona tauhohenga ki te tote waikawa i hanga - Kei te tino maha tenei āhuatanga whakamahia i roto i te ahumahi. Na roto i teie mau hononga taea haere nāianei hiko, a na reira ratou e maha whakamahia rite electrolytes. Rite te whakamahi i te iahiko o te pūhau alkali mā te tauhohe i waikura ranei o konganuku alkali ki te wai. Te ahumahi noa whakamahi te tikanga tuatahi, me te whakamahia te tuarua kei te nuinga ki te whakaputa i kotakota slaked. I roto i te taiao kawakore, memeha reira ngako, a Kei te whānui tenei taonga e whakamahia ana i roto i te hanga o te hopi. He maha o nga turanga e taea te whakangaro i tipu me te kararehe te kopa, mukākā te kiri, me te whakangaro kakahu. Ka taea e Alkalies tauhohe ki etahi konganuku (hei tauira konumohe), ka e taea ki te tiaki i te rino i te waikura. He ātete ki te wera ratou - konutai waihā taea te rewa, ka kawea ki te whewhe, engari e kore e popo reira.
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