Term
|
Definition
homogeneous part of the system in contact with other parts of the system but separated from them by a well-defined boundary |
|
|
Term
|
Definition
attractive forces between molecules |
|
|
Term
|
Definition
hold atoms together in a molecule |
|
|
Term
|
Definition
attractive forces between polar molecules |
|
|
Term
|
Definition
attract an ion (cation or anion) and a polar molecule to each other |
|
|
Term
|
Definition
the ease with which the electron distribution in the atom can be distorted |
|
|
Term
|
Definition
attractive forces that arise as a result of temporary dipoles induced in atoms or molecules; usually increase with molar mass; nonpolar and polar |
|
|
Term
|
Definition
dipole-dipole attraction between the hydrogen atom in a polar bond; N-H, O-H, F-H |
|
|
Term
|
Definition
amount of energy required to stretch or increase the surface of a liquid by a unit area |
|
|
Term
|
Definition
measure of fluid's resistance to flow |
|
|
Term
|
Definition
electrostatic attraction; hard, brittle, high melting point, poor conductor; NaCl, LiF, MgO, CaCO3 |
|
|
Term
|
Definition
covalent bond; hard, high melting point, poor conductor; C (diamond), SiO2 (quartz) |
|
|
Term
|
Definition
dispersion, dipole dipole, hydrogen bond; soft, low melting point, poor conductor; Ar, CO2, I2, H2O, C12H22O11 |
|
|
Term
|
Definition
metallic bond; soft to hard, low to high melting point, good conductor of heat and electricity |
|
|
Term
|
Definition
go from one phase to another |
|
|
Term
|
Definition
process in which liquid goes to a gas |
|
|
Term
|
Definition
change from gas to liquid |
|
|
Term
|
Definition
energy required to vaporize 1 mole of a liquid |
|
|
Term
|
Definition
temperature of liquid is the temperature at which the vapor pressure of a liquid is equal to the external pressure |
|
|
Term
|
Definition
when a solid goes directly to a gas |
|
|
Term
|
Definition
maximum amount of solute that will dissolve in a given solvent |
|
|
Term
|
Definition
less solute than it has the capacity to dissolve |
|
|
Term
|
Definition
contains more solute than is present in a saturated solution |
|
|
Term
|
Definition
completely soluble in each other in all proportions |
|
|
Term
|
Definition
= mass of solute/mass of solute + mass of solvent x 100% |
|
|
Term
|
Definition
moles of A/moles of A + moles of B |
|
|
Term
|
Definition
moles of solute/mass of solvent (kg) |
|
|
Term
|
Definition
solubility of gas in a liquid is proportional to the pressure of the gas over the solution; c = kP |
|
|
Term
|
Definition
no measurable vapor pressure |
|
|
Term
|
Definition
|
|
Term
|
Definition
solid: increase with temp; gas: decrease with temp |
|
|
Term
|
Definition
boiling point of solution minus boiling point of pure solvent |
|
|
Term
freezing point depression |
|
Definition
freezing point of pure solvent minus freezing point of solution |
|
|
Term
|
Definition
i; HCl - H+ + Cl- so i = 2 |
|
|
Term
|
Definition
dipole-dipole and dispersion; h-bonds, mp and bp generally higher, vp generally lower |
|
|
Term
|
Definition
dispersion; mp and bp generally low, vp generally high |
|
|