an2/V2 = atm
= atm L2/mol2 = L2
mol-2 atm
nb = L
b= L/mol = L mol-1
Correct
Statement: Critical temperature
of CO2 is 304 K. It means that CO2 cannot be liquefied
above 304 K, whatever the pressure may applied.
Pressure is inversely proportional to volume
For a fixed mass of an ideal gas V α T P α 1/V
and PV = Constant
At a given temperature and pressure
Volume α no. of moles
Volume α Mass / Molar mass
Volume α 28 / Molar mass
i.e. if molar mass is more, volume is less. Hence
HI has the least volume