Consider Three 1-L Flasks at the Same Temperature and Pressure

Multiple Choice

Consider three 1-L flasks at the same temperature and pressure. Flask A contains CO gas, flask B contains N₂ gas, and flask C contains O₂ gas.In which flask do the molecules have the greatest kinetic energy?

A) flask A
B) flask B
C) flask C
D) The molecules in all the flasks have the same kinetic energy.
E) The molecules in two of the flasks have the same kinetic energy.