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Topic 8: Acids and Bases, conjugate base 1, conjugate base 2 - Coggle…
Topic 8: Acids and Bases
conjugate acid base pair
Bronsted Lowry
Acids
proton donors
Must contain H+
acid + base = salt + water
Bases
proton acceptor
Protons can be represented as
H+ (aq)
H3O+ (aq)
Must have a lone pair of electrons to accept a proton
Arrhenius
Base
Acid
produces H+ ions
Strong acids
1< pH < 4
Good conductors
fully dissociate
Weak acids
4 < pH > 7
Poor conductors
patially dissociate
Measured in pH
give distinct color when an indicator is added
Acid + base = salt + water
ex
HCl + NaOH = H2O + NaCl.
acid + metal -> salt + hydrogen
ex
2HCl + Mg = MgCl2 + H2.
acid + metal carbonates / metal hydrogencarbonate = salt + water + CO2
ex
2HCl + CaCO3 = CO2 + H2O + CaCl2
produces OH- ions
Strong base
10 < pH < 14
Fully desociates
Lower equilibrium constant
Weak base
7 < pH < 10
Doesn't fully desociate
Higher equilibrium constant
Measured in pOH
give disting color when an indicator is added
amphoteric
amphiprotic
Can donate or acept H+
can react with acids and bases
Lewis
neutralization
electron pair tranfer
with or without proton transfer
exothermic
oxides
basic oxides
alcali and alcali earth and transition metals
acidic oxides
non metals
amphoteric
metaloids
*BY: Simon, Alex and Afonso
conjugate base 1
Conjugate acid 1
H2CO3 (aq)
+
OH-(aq)
=
HCO3- (aq)
+
H2O (l)
conjugate base 2
conjugate acid 2