amount of substance (gases)

Question 1

define molar gas volume

Answer 1

the volume per mole of gas molecules at a stated temperature and pressure

Question 2

what is the equation involving molar gas volume and amount of substance (n)?

Answer 2

amount of substance (n) = volume V/ molar gas volume Vm

Question 3

what is the ideal gas equation?

Answer 3

pV = nRT

Question 4

what does p stand for in the ideal gas equation and what is the unit?

Answer 4

pressure, Pa

Question 5

what does V stand for in the ideal gas equation and what is the unit?

Answer 5

volume, m3

Question 6

what does n stand for in the ideal gas equation and what is the unit?

Answer 6

amount of gas molecules, mol

Question 7

what does R stand for in the ideal gas equation?

Answer 7

the ideal gas constant, 8.314J mol-1K-1

Question 8

what does T stand for in the ideal gas equation and what is the unit?

Answer 8

temperature, kelvin

Question 9

how do you convert from cm3 to m3?

Answer 9

x10^-6

Question 10

how do you convert from dm3 to m3?

Answer 10

x10^-3

Question 11

how to you convert from degrees Celsius to kelvin?

Answer 11

+273

Question 12

how do you convert from Kilopascals to Pascals?

Answer 12

x10^3

Question 13

what is the equation for n at RTP (room temp + pressure)?

Answer 13

n = V(dm3)/24 or n = V(cm3)/24000

Question 14

what is room temperature and pressure?

Answer 14

about 20 degrees
about 101kPa (1 atm) pressure

Question 15

what are some assumptions surrounding the ideal gas?

Answer 15

random motion
elastic collisions
negligible size
no intermolecular forces