Gchem Acids and Bases

At room temp, what state are ionic compounds in?
solid
about what fraction of molecules in a weak acid dissociate?
1/1000

list of strong acids

(6)

HI

HBr

HCl

HClO4

H2SO4

HNO3

Bronsted-Lowry def of acids and bases

acids – proton (H+) donor

Bases- proton (H+) acceptors

Equation for pH
pH = – log [H+]

Equation’s relating:

Ka and Kb

and

pKa and pKb

KaKb=10-14

;

pKa + pKb = 14

eq for pKa

;

eq for pKb

pKa = – log Ka

;

pKb = – log Kb

def of conjugate base

;

def of conjugate acid

conjugate base: species after it’s lost an H+

 

conjugate acid: species after it’s gained an H+

trend of acidity in periodic table
acidity increasse in right, downwards direction.
Definition of Ka
acid ionization/acid dissociation constant
Raprid breathing does what to blood CO2?
decreases it
Equation for Neutralization Rxns

na X Va x Ma = nb x Vb x Mb

;

M- concentration

a-acid

b-base

Henderson hasslbach eq.

;

acids

;

bases

pH = pKa + log [A-]/[HA]

;

;

pOH = pkb + log [BH+]/[B]

during titration, what compounds are present at the equivlance point?
salt and H2O
x

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