Final Review Flashcards
(94 cards)
kinetic molecular theory
explains the behavior of gases based on the motion of their particles
what is a gases average kinetic energy proportional to?
absolute temp
what changes a gases volume?
temp and pressure
effusion
gas leaking through small holes from a high pressure area to a low pressure area
u
speed of molecules
smaller mass=
higher speed
absolute temperature
temp expressed on the Kelvin scale whose zero value is absolute zero
ideal gas
gas whose behavior is predicted by the linear relations defined by the combined gas law
STP Temp
273K
STP Pressure
1 atm
at STP, 1 mol of gas has a volume of…
22.4 L
molar volume=
v/n
density of gas
MP/RT
low molar mass means…
low density
what remains constant according to Boyle’s law?
temp and number of moles
what remains constant according to Charles law?
pressure and number of moles
what remains constant according to Amontom’s law?
volume and number of moles
what is constant according to the combined gas law?
number of moles
partial pressure
pressure of individual gases in a mixture
what finds partial pressure?
P1=xPtotal
what is the solubility of gases dependent on?
temp and pressure
as solubility increases…
pressure increases
as solubility decreases…
temp increases
what affects vapor pressure in liquids?
temp and intermolecular forces