13 November 2008 Phys 111 Fall 2008
Question 1
A balloon contains helium gas, whose molar
mass is 4g.Another balloon is filled with
an equal number of argon molecules at the
same temperature and pressure. Argon is a
gas whose molar mass is 40 g.
He gas Ar gas
Which of the following is true of the volume
occupied by the Argon gas?
1. The same as that of the helium.
2. Ten times that of the helium.
3. One-tenth of that of the helium.
4. Larger than the helium but less than ten
times as larger.
– Typeset by FoilT
E
X– 1
