FormationWaxbarashada dugsiga sare iyo dugsiyada

Waa maxay qadarka maalka iyo sida uu cabbiray

Waxaan ka hadlaan waxa lacagta walax sida ereyga waxaa loo isticmaalaa in maadooyinka Science. Tan iyo xidhiidhada ka taranta ee kimistari, physics la siiyo tixgelin dhab ah, waxaa muhiim ah in la ogaado macnaha jirka ka mid ah tiro, unugyada ay, berrinkii codsiga.

Qoondeeyey, qeexidda, unugyada

chemistry The muhiimad gaar ah waa xiriirka taranta. Si aad u qabtaan xisaabinta iyadoo la isticmaalayo qiimaha gaarka ah sida ay isla'egyada. Si aad u fahamto waxa ay tahay lacagta xaalka ee kimistari, waxaan ku siin qeexitaanka ereyga. Tani waa tiro jirka kaas oo lagu tilmaamay tirada unugyada la mid ah (atamka, udhigo, taagoo, iyo electrons) ku sugan wax ka. Si loo fahmo waxa ay tahay xaddiga arrinta, waxaan la soco in qiimaha this leeyahay naqshada u gaar ah. In xisaabinta, micnahoodu yahay isticmaalka qiimaha this, isticmaali n warqadda. Units - mmol kmol mol.

qiimaha

Ardayda fasalka siddeedaad aan weli garan sida wax loo qoro isleegyo kiimikada Ma aqaano waxa lacagta oo ah walaxda, sida loo isticmaalo qiimaha this xisaabinta. Ka dib soo barashada sharciga ah oo miisaankeedu yahay walxaha joogto ah, waxa uu noqonayaa qiimaha cad ee tirada this. Tusaale ahaan, in falcelinta ee sari hydrogen ee reactants oxygen ratio waa laba ka mid ah. Haddii hydrogen loo yaqaan mass, kaas oo galay geeddi-socodka, waxaa suurtagal ah si loo ogaado xaddiga oxygen qaaday ka qayb reaction kiimikada.

Codsiga of qaaciidooyinka xarunta yaraynaysaa saamiga u dhexeeya reagents laga bilaabo, si loo fududeeyo xisaabinta. Waa maxay lacagta xaalka ee kiimikada? In la eego xisaabta, taas arrimo stereochemical rido isla'egta. In uu yahay, waxay waxaa loo isticmaalaa si ay u fuliyaan xisaabaha qaarkood. In sida loo tiriyo tirada taagoo waa xanibayo, waxaa ku riyaaqay Mol. Isticmaalka lambarka Avogadro ee, waxaa loo xisaabin karaa in 1 bar of reagent kasta oo ka kooban 6 × 1023 -1 mol.

Kombuyuutarada

Ma rabtaa in aad si ay u fahmaan waa maxay lacagta walax? In physics, sida qiimaha this waxaa loo isticmaalaa. Waxaa loo baahan yahay in physics kelli, halkaas oo xisaabinta waxaa ka isla'egta Mendeleev-Clapeyron fuliyay cadaadis mugga gaseous. Si ay u fuliyaan wax xisaabinta taranta, waxa ay khuseysaa fikirka ah mass gaws.

Hoos waxa looga jeedaa miisaanka taas oo u dhiganta hal bar oo ah kiimikada gaar ah. Si loo go'aamiyo mass ka gaws laga yaabaa via mass qaaradda qaraabo (qaddarka iftiinka tirada atamka ee Britain a) ama si loo ogaado miisaanka iyada oo loo marayo maaddo loo yaqaan, lacagta (mol).

No hawsha dabcan dugsiga ka mid ah kiimikada la xiriira xisaabinta ee isla'egta, ma aan samayn karo aan lahayn isticmaalka ereyada sida "qadar oo ah walaxda". Lahaanshaha isku geynta oo keliya ma la xisaabin barnaamij joogto ah, laakiin sidoo kale hawsha Contest casri ah ula qabsan karaan. Ka sokow xisaabinta by walxaha miisaanka laga yaabaa in sidoo kale loo isticmaalayo fikrad this, oofin xisaabinta mugga by gaws. Tani waa run in kiisaska, oo ay iskaashanayaan ka qayb walxaha gaseous.

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