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