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Chemistry chapter 13
Terms in this set (18)
Solvent particles pull solute particles apart and ___ (surround) them.
In order for endothermic processes to occur the overall energy of the system_____
must be lowered.
The change in the relative disorder of the system is a reflection of the system's change in____
Unsaturated solutions can?
dissolve more solute at a given temperature
Saturated solutions have___?
both dissolved and undissolved solute particles
Saturated solutions can____?
hold as much solute as is possible at that temperature (i.e. the maximum solubility of the solute is reached)
Supersaturated solutions are?
Solutions in which more solute is dissolved than can normally occur at a given temperature.
A gas's solubility in a liquid is____?
directly proportional to its pressure.
Mole Fraction (X) is?
Moles of A over total moles in solution.
Molality (m) is?
moles of solute over Kg of solvent.
Colligative properties are?
Properties that depend only on the number of solute particles present, not on the identity/type of the solute particles.
Increasing concentration of nonvolatile solute reduces ____ pressure due to increased solute-solvent intermolecular attractions?
Net migration of solvent from an area of higher solvent concentration to an area of lower solvent concentration.
a Semipermeable membrane is?
a film which allows smaller particles to pass through it, but not larger particles.
osmotic pressure (P) is the?
pressure required to stop osmosis.
The actual amount of dissociated particles is called the
van't Hoff factor.
Suspensions of particles larger than individual ions or molecules, but too small to settle out by gravity.
Tyndall Effect is?
Scattering of light by colloidal suspensions.
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