DAT Gen Chem Gasses

Question 1

The formula that is used to calculate the
pressure is:

Answer 1

force/area

Question 2

explains that pressure (atm) and
volume (L) are inversely proportional under
constant temperature and moles…. which law

Answer 2

Boyles Law

Question 3

Boyles law formula

Answer 3

P1 V1 = P2 V2

Question 4

explains that volume (L) and
temperature (K) are directly proportional under
constant pressure and moles… which law

Answer 4

Charles law

Question 5

Charles Law formula

Answer 5

v1/t1 = v2/t2

Question 6

explains that volume (L) and
moles (mol) are directly proportional under
constant pressure and temperature… what law

Answer 6

avogadros law

Question 7

avogadros law eqn

Answer 7

v1/n1 = v2/n2

Question 8

explains that pressure (atm)
and temperature (K) are directly proportional
under constant volume and moles… which law

Answer 8

Gay-Lussac’s Law

Question 9

Gay-Lussac’s Law formula

Answer 9

p1/t1 = p2/t2

Question 10

the ratio of initial
pressure (atm) and volume (L) to temperature
(K) and moles (mol) to its final state:

Answer 10

combined gas law

Question 11

combined gas law eqn

Answer 11

p1v1/n1t1 = p2v2/n2t2

Question 12

models and

predicts the behavior of ideal gases through 5
postulates:

Answer 12

kinetic-molecular theory of gassea

Question 13

Particles in a gas are in what kind of motion

Answer 13

constant random

Question 14

The combined volume of particles (gas)…

Answer 14

is negligable

Question 15

Particles exert what kind of force on each other

Answer 15

none

Question 16

Gas molecule collisions are completely

Answer 16

elastic

Question 17

As pressure increases, the intermolecular forces
and molecular volume become

Answer 17

increasingly significant

Question 18

Ideal gas law formula

Answer 18

pressure x volume = number of moles x gas constant x temp (K)

Question 19

pressure exerted by one
type of gas in a mixture of other gases.

Answer 19

partial pressure

Question 20

eqn for daltons law of partial pressure

Answer 20

pressure (total) = p1+p2+p3….

Question 21

partial
pressure of each gas can be calculated from the
product of the total pressure and the mole
fraction of the gas:

Answer 21

p1 = mole fraction of gas 1 x pressure total

Question 22

formula for gas density is:

Answer 22

pressure x molar mass/gas constant x temp

Question 23

as the movement of gas
molecules from one container to another
through a tiny hole.

Answer 23

effusion

Question 24

formula for Graham’s Law of Effusion,

Answer 24

rate of effusion gas 1/rate of effusion gas 2 = sqrt of molar mass gas 1/molar mass of gas 2