Henry's Law Sgas = K x Pgas Colligative properties Properties who's values depend only on the number of solute particles and not on the type of particle Ideal formation of solute– solvent interactions are equal to the sum of the broken solute– solute and solvent– solvent interactions. Part by mass (Mass solute/mass solution) x multiplication factor Mole fraction Amount solute (mol)/mass solvent (kg) Heat of Hydration Heat released when 1 mol of gas ions is dissolved into water pi=mrt Osmotic pressure equation Like dissolves _____ Like Dissolves another substance Solvent Less The vapor pressure of the solvent in solution will always be _____ than the vapor pressure of the pure solvent. Non- Ideal solute–solvent interactions are stronger or weaker than the broken interactions Lattice energy Attractive forces between ions Solution may form Solvent–solute interactions < Solvent–solvent and solute–solute interactions Molarity Mol/L Amount of pressure needed to keep osmotic flow from taking place Osmotic Pressure Molality Mol/Kg Varies with temperature and pressure The solubility of one substance in another Freezing Point Depression Freezing point of a solution is lower than the freezing point of the pure solvent. Mole percent Amount solute (mol)/total amount (mol) x 100 Dissolves in a substance Solute Delta H of solute Endothermic Solution forms When solvent- solute > or = solvent- solvent and solute-solute Always soluble in one another Gasses allows solvent, but not solute, to flow through it. Semipermeable membrane Delta H of Mix Exothermic Raoult's Law Psolution = mol fraction(solv.) x P pure solvent moles of particles in solution/moles of formula units dissolved i= Van't Hoff Factor the ratio of moles of solute particles to moles of formula units dissolved Henry's Law Sgas = K x Pgas Colligative properties Properties who's values depend only on the number of solute particles and not on the type of particle Ideal formation of solute– solvent interactions are equal to the sum of the broken solute– solute and solvent– solvent interactions. Part by mass (Mass solute/mass solution) x multiplication factor Mole fraction Amount solute (mol)/mass solvent (kg) Heat of Hydration Heat released when 1 mol of gas ions is dissolved into water pi=mrt Osmotic pressure equation Like dissolves _____ Like Dissolves another substance Solvent Less The vapor pressure of the solvent in solution will always be _____ than the vapor pressure of the pure solvent. Non- Ideal solute–solvent interactions are stronger or weaker than the broken interactions Lattice energy Attractive forces between ions Solution may form Solvent–solute interactions < Solvent–solvent and solute–solute interactions Molarity Mol/L Amount of pressure needed to keep osmotic flow from taking place Osmotic Pressure Molality Mol/Kg Varies with temperature and pressure The solubility of one substance in another Freezing Point Depression Freezing point of a solution is lower than the freezing point of the pure solvent. Mole percent Amount solute (mol)/total amount (mol) x 100 Dissolves in a substance Solute Delta H of solute Endothermic Solution forms When solvent- solute > or = solvent- solvent and solute-solute Always soluble in one another Gasses allows solvent, but not solute, to flow through it. Semipermeable membrane Delta H of Mix Exothermic Raoult's Law Psolution = mol fraction(solv.) x P pure solvent moles of particles in solution/moles of formula units dissolved i= Van't Hoff Factor the ratio of moles of solute particles to moles of formula units dissolved
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Sgas = K x Pgas
Henry's Law
Properties who's values depend only on the number of solute particles and not on the type of particle
Colligative properties
formation of solute–solvent interactions are equal to the sum of the broken solute–solute and solvent–solvent interactions.
Ideal
(Mass solute/mass solution) x multiplication factor
Part by mass
Amount solute (mol)/mass solvent (kg)
Mole fraction
Heat released when 1 mol of gas ions is dissolved into water
Heat of Hydration
Osmotic pressure equation
pi=mrt
Like
Like dissolves _____
Solvent
Dissolves another substance
The vapor pressure of the solvent in solution will always be _____ than the vapor pressure of the pure solvent.
Less
solute–solvent interactions are stronger or weaker than the broken interactions
Non-Ideal
Attractive forces between ions
Lattice energy
Solvent–solute interactions < Solvent–solvent and solute–solute interactions
Solution may form
Mol/L
Molarity
Osmotic Pressure
Amount of pressure needed to keep osmotic flow from taking place
Mol/Kg
Molality
The solubility of one substance in another
Varies with temperature and pressure
Freezing point of a solution is lower than the freezing point of the pure solvent.
Freezing Point Depression
Amount solute (mol)/total amount (mol) x 100
Mole percent
Solute
Dissolves in a substance
Endothermic
Delta H of solute
When solvent-solute > or = solvent-solvent and solute-solute
Solution forms
Gasses
Always soluble in one another
Semipermeable membrane
allows solvent, but not solute, to flow through it.
Exothermic
Delta H of Mix
Psolution = mol fraction(solv.) x P pure solvent
Raoult's Law
i=
moles of particles in solution/moles of formula units dissolved
the ratio of moles of solute particles to moles of formula units dissolved
Van't Hoff Factor