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