Equilibrium Flashcards
(14 cards)
Strong acids
HCI, HBR, HNO3, H2SO4
Weak acids
HF, CH3COOH, NH4+
Strong bases
KOH, NAOH
Weak bases
NH3, CH3NH2, CH3COO-
Smaller Pka
, so dissociates more and therefore is a Stronger acid
Conductivity
Is dependent on the presence of charged particles (ions) in the solution
If x produces a high concentration of ions
They are a good electrolyte and therefore a good conductor
Le chateliers principle
When a system at equilibrium is disturbed, the system acts to restore equilibrium
If Q=Ks
It’s at equilibrium
Q>Ks
Precipitate forms, products conc is greatee
Q<Ks
Precipitate doesn’t form, reactants conc is higher
If ka is large/pka is small
Then acid is strong
How to find oh conc when given ph
POH=14-your ph, put this answer as 10^- ans.
At equivalence point
All of HA has been converted to A- ions. A- is the conjugate base of HA as it can accept a proton