chapter 10 Flashcards
(15 cards)
the main two components of air are ____ and ____ ?
Nitrogen and Oxygen
Gaseous mixture are?
homogenous
how many mm Hg are in 1 atm
760
what is pressure?
force per given area
P = F/A
how many torr are in 1 atm?
760
pressure and volume are?
WHAT LAW IS THIS
inversely proportional
THEY ARE OPPOSITE
if one goes up the other goes down and vice versa
BOYLES LAW
what is charles law?
temperature and volume are directly proportional
they are the same
if one goes up so does the other one
what is daltons law of partial pressure?
states that the total pressure of a mixture of gases is equal to the sum of all their partial pressures if they were separate
what is effusion?
escape of molecules through a hole
what is diffusion?
spread of a gas through some volume
_____ gas will effuse more rapidly
Lighter
the molecule is smaller
what formula do you use if temp is constant?
p1v1=p2v2
boyles law
what formula do you use if pressure is constant?
v1/t1=v2/t2
charles law
what do you use if pressure and temp are both changing ?
p1v1/t1=p2v2/t2
combined gas law