Under the same conditions of temperature and pressure, equal volumes of nitrogen gas and helfum gas Select one: A. have the same mass B. have the same density C. contain the same number of atoms D. contain the some number of molecules Helium is an extremoly inert (nonreactive) gas but it is not an ideal gas. How does hellum, and all other teal gases, differ from an ideal gas Select one: A. Reaf gas molecules have no volume B. Heal 00 molecules are not in constant motion C. Real jas molecules are altrocted to each other D. lloat pas molecules do not exert aressure on the walls of a container If butane 08 in a houd sted container is heated from 0,5C to 300 "C, which of the following will change the least? Select one: A. The density of the butane gars 11. The average speed of the butane molecontis c. The aveage kinetic eneriy of the butane molecules 0. The terce with which the butane molecules imosct the cytinder walks