Two identical balloons of volume 5 L are filled separately with helium and argon at…
CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance
Problem
Two identical balloons of volume 5 L are filled separately with helium and argon at the same temperature and pressure. Which one of the following quantities is identical for the gases in the two balloons?
(a) Total mass of the gas
(b) Root–mean–square speed of the gas molecules
(c) Number of molecules present
(d) Density of the gas