CHEM CH 15-19
If Q=K then...
The reaction is at equilibrium
If Q is less than K then...
The reaction goes right to reach equilibrium
If Q is greater than K then...
The reaction goes left to reach equillibrium
Solving for K3
Add equations then multiply K1 and K2 to the powers of their respective formula
Which side is the heat on for an exothermic reaction?
The left
In an exo rxn, if T increases rxn shifts...
To the left
In an exo rxn if heat decreases the rxn shifts...
To the right
Which side is the heat in an endothermic rxn?
On the right
In an endo rxn when T increases the rxn shifts...
To the right
In an endo rxn when T decreases the rxn shifts...
To the left
K = 1
Intermediate equilibrium
K > 1
Product favored equilibrium
K < 1
Reactant favored equilibrium
Two solutions with identical osmostic pressure
Isotonic
Two solutions with different pressure (the solution with higher pressure)
Hypertonic
Two solutions with different pressure (the solution with lower pressure)
Hypotonic
What is Van't Hoff's Factor?
i = normal molar mass / observed molar mass
Molality
Moles solute/Kg Solvent
Molarity
Moles of solute/Liters of solution
Bond is polar covalent if..
difference in EN- is 0.4-1.9
Bond is covalent nonpolar if...
difference in EN- is 0-0.4
Bond is Ionic if...
EN- > 1.9
Gas to liquid
Condensation