c102reactionacidebaseeau.py

Created by alten01

Created on February 02, 2023

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REACTION DUN ACIDE OU DUNE 
BASE AVEC LEAU

CAS DUN ACIDE
Un ACIDE FORT AH est un acide qui
reagit totalement avec leau:
AH(eq)+H2O(eq)->A-(eq)+H3O+(eq)
transformation totale T=1
Un ACIDE FAIBLE AH est un acide qui
reagit pas totalement avec leau:
AH(eq)+H2O(eq)<=>A-(eq)+H3O+(eq)
transformation non totale T<1
Est ce que acide fort ou faible?
Si pH=-logc ->fort
sinon faible

CAS DUNE BASE
Une BASE FORTE A- est une base qui
reagit totalement avec leau:
A-(eq)+H2O(eq)->AH(eq)+HO-(eq)
transformation totale T=1
Une BASE FAIBLE A- est une base qui
reagit pas totalement avec leau:
A-(eq)+H2O(eq)<=>AH(eq)+HO-(eq)
transformation non totale T<1
Est ce que base forte ou faible?
Si pH=pKe+logc ->forte
sinon faible
ici, pKe de 14C a 25C

solution acide et base courante:
-acide fort:acide chlorhydrique
acide nitrique
-acide faible:acide ethanoique
-base forte:soude ou hydroxyde
de sodium
-base faible:ammoniac

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