amount of substance (gas)

at what conditions are there the same number of molecules of different gases?

t

what is molar gas volume

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

what is room temperature

20 Celsius

what room pressure

1 atm or 101 kPa

at RTP what is the volume of 1 mole of gas

24dm3

equation for working at volume at RTP

V = n x 24dm

what are the four assumptions for the ideal gas equation

-random motion
-elastic collisions
-they have a negligible volume
-no intermolecular forces

pV=

nRT

what is volume measured in in pV=nRT

m^3

what is pressure measured in in pV=nRT

Pascals

what is R in pV=nRT

ideal gas constant (8.314)

what is temperate measured in in pV=nRT

Kelvin

how do you convert celsius into kelvin

• 273

at RTP what volume two moles of methane occupy

48 dm^3

at RTP what is the mass of 600cm^3 of carbon dioxide gas

how many cm^3 are in 1 dm^3

1000

how many m^3 are there in 1 dm^3

0.001

how many cm^3 are there in 1m^3

1x10 6

how may m^3 are there in 1 cm^3?

1x10 -6