Shared Flashcard Set

Details

Chapter 5
Gases and the Kinetic-Molecular Theory
50
Chemistry
10th Grade
10/13/2011
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Chemistry Flashcards

 

 

Cards

Term
PV=nRT
 Definition
(atm)(L)=(mol)(0.0821)(K)
Term
1 atm
 Definition
760 torr, 760 mmHg
Term
K
 Definition
C+273
Term
Boyle's Law
 Definition
V=1/P
Term
Charles' Law
 Definition
V=T
Term
Amontons' Law
 Definition
P=T
Term
Avogadro's Law
 Definition
V=n
Term
STP
 Definition
0 C, 1 atm
(273 K and 760 torr)
Term
1 volume of ideal gas at STP
 Definition
22.4 L
Term
IGL with 2 situations
 Definition
P1V1/n1T1=P2V2/n2T2
Term
R=1atmx22.4L/1molx273K
 Definition
0.0821
Term
density
 Definition
m/v
Term
n
 Definition
m/M
Term
Dalton's Law of Partial Pressures
 Definition
P(total)=P1 + P2 ....
Term
Partial Pressure with Mole Fraction
 Definition
P(A)=X(A) x P(total)
Term
root-mean-square speed
 Definition
u(rms)=sqrt(3RT/M)
Term
Graham's law of effusion
 Definition
Rate A/Rate B= sqrt(M of B)/sqrt(M of A)
Term
Pressure
 Definition
force/area
Term
barometer
 Definition
device to measure atmospheric pressure;
tube out, into dish, with mercury
Term
pressure (increases/decreases)...
 Definition
decreases with altitude
Term
height is (directly/inversely) related to...
 Definition
inversely with density
Term
manometer
 Definition
device used to measure pressure of gas
Term
short orange (P of gas)
 Definition
P(gas)=P(atm) - delta h
Term
long orange (P of gas)
 Definition
P(gas)=P(atm) + delta h
Term
SI unit of force
 Definition
newton (N)
Term
N=
 Definition
[1 kg x m ]/s^2
Term
N=
 Definition
[1 kg x m ]/2
Term
SI unit of pressure
 Definition
pascal (Pa)
Term
1 Pa
 Definition
1 N/m^2
Term
1 atm
 Definition
=1.01325 x 10^5 Pa

or 101.325 kPa
Term
1 torr
 Definition
1 mmHg
Term
1 bar
 Definition
1 x 10^5 Pa

OR 1 x 10^2 kPa
Term
pounds per sq in (psi)
 Definition
14.7 lb/in^2
Term
Robert Boyle
 Definition
JAC Charles & JL Gay-Lussac
Term
greater mass
 Definition
more dense
Term
density is directly with
is inversely with
 Definition
direct MOLAR MASS
inverse TEMPERATURE
Term
P(humid air)
 Definition
P(dry air) of P(added water vapor)
Term
kinetic-molecular theory
 Definition
central model that explains macroscopic gas behavior at the level of individual particles
Term
kinetic-molecular theory
BY???
 Definition
19th century:::
JAMES CLERK MAXWELL &&
LUDWIG BOLTZMANN
Term
Postulate 1.
 Definition
Particle Volume
Term
Postulate 2
 Definition
Particle motion
Term
Postulate 3
 Definition
Particle collisions
Term
kinetic energy
 Definition
to do with.. MOTION
Term
POSTULATE 1

VOLUME
 Definition
volume of individual particle --> small compared to container, so in essence nothing...
Model...mass, but no volume
Term
POSTULATE 2

MOTION
 Definition
constnat, random motion, except for
Walls or each other
Term
POSTULATE 3

COLLISIONS
 Definition
elastic. exchange energy, but do not lose.
so E(k) is constant.
Term
the higher the temp...
 Definition
the more spread out for least & greatest values
Term
__
Ek
 Definition
= c X T
Term
answers to questions concerning gas behaviour

1. ORIGIN OF PRESSURE
 Definition
when moving object collide with wall, FORCE. result in observed pressure!!
Term
the more molecules in a container
 Definition
the more frequently collide with walls
and the greater the pressure
Supporting users have an ad free experience!