1
Q
When is dm3 and cm3 used?
A
dm3 - large volumes
cm3 - smaller volumes
2
Q
How do you convert from dm3 to cm3?
A
1 dm3 = 1000 cm3
3
Q
What is Avogadro’s constant?
A
Number of molecules in one mole of any gas is equal to:
6.02 x 10^23
4
Q
What is Avogadro’s law (hypothesis)?
A
Equal volumes of all gases at the same temperature and pressure contain an equal number of molecules.
5
Q
What is molar volume?
A
The volume occupied by one mole of any gas at a particular temperature and pressure
6
Q
What is the molar volume of a gas at s.t.p?
A
22.4 dm3
7
Q
What is the molar volume of a gas at RTP?
A
24 dm3
8
Q
What equation is used conditions are not at RTP?
A
PV = nRT P = pressure V = volume n = number of moles R = gas constant (8.314) T = temperature
