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Kemi syre and shit

Kemi and shit

QuestionAnswer
opskriv en reaktionskema for NH4+ og NH3 reation med vand NH3+H2O <-> NH4++OH-
opskriv ligevægtsloven for syre-base reaktioner [B]*[H3O+]/[S]=Ks
hvordan kan man se syren eller basens styrke ved at kigge på Ks? man kan se deres styrke ved at kigge på pKs eller Ks, hvis Ks er stor, er det en stærk syre, hvis den er meget lille, så er basen stærker
hvordan kan man se syren eller basens styrke ved at kigge på pKs? hvis pKs er lille så er det en stærk syre, og hvis den er stor så er det basen der er stærk
Hvad forstår man ved et korrisponderende syre-base par, og hvad er sammen hængen mellem dem? Et korrisponderende syre-base par er, hvor man har en stærk/svag syre og en stærk/svag base. Hvis man har en stærk syre har man en svag base og omvendt.
hvad er sammenhængen mellem korrisponderende syre-base pars pKs? hvis en syre har en stor pKs, så er det en svag syre, men en stærk base, og omvendt.
Hvordan beregner man pH i en stærk, middelstærk og svag syre? pH=-log Cs pH=-log [H3O+] pH= 0,5*(pKs-log Cs)
Created by: 11wgpi
 

 



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