Module #6: Solutions And Equilibrium Flashcards
What is the equilibrium equation?
Keq = [C]to the c x [D]to the d/[A]to the a x [B]to the b
What is the relation equation for Gibbs free energy and the proceeding of a reaction?
Delta G = -R x T x ln (K)
Or
K = e to the power of (-Delta G/RT)
What is the relation between Gibbs free energy and the reaction equilibrium?
When DeltaG is negative, more products are formed. When it is positive, the reactants do not react as much. When the number is small, it is more of an equilibrium.
What is the ideal gas constant helpful for the Delta G equation?
8.314 Jules/moles x Kelvin
What is the equation for converting Celsius to Fahrenheit
Degrees Celsius = 5/9 (degrees Fahrenheit - 32)
What is the equation for changing Celsius to Kelvin?
K= C + 273.15
What is the atomic mass unit?
1.00 amu = 1.66 x 10 to the -24th power g
Molarity
M=#Moles/# TOTAL Liters
Molality
m = # moles of solute/ # moles of solvent
Common Ion Effect
Reduction in a solute’ solubility when put in the presence of a common ion.
What is the first rule for solubility in water?
Most ionic solids made with Group 1A metals are soluble
What is the second rule for solubility in water?
All ionic solids made with the ammonium ion are soluble
What is the third rule for solubility in water?
Most nitrates acetates are soluble
What is the fourth rule for solubility in water?
Most chlorides are soluble
What is the fifth rule for solubility in water?
Most sulfates are soluble
