A Container Having a Volume of 1 $\degree$ C If the Helium Behaves Like an Ideal Gas, the Moles

Multiple Choice

A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50 $\degree$ C. If the helium behaves like an ideal gas, the average kinetic energy per molecule is:

A) 6.7* 10-20 J.
B) 1.0 * 10-21 J.
C) 1.0 * 10-20 J.
D) 6.7 * 10-21 J.
E) 1.3* 10-20 J.