(ou take the cap off of a small bottle of gaseous perfume in your bedroom. Treat this erfume as an ideal gas. Sometime later, you are able to smell the perfume everywhere n the room. Why is it that the gas molecules do not stay in the bottle? (Equivalently, vhy is it that some time later you never find all of the perfume molecules back in the ottle?) (a) Gases spread out because of electric repulsion (b) It is energetically favorable for the gas molecules to be as far apart as possible _ ) There are more ways that one can arrange the gas molecules spread out across the room, than clumped in the bottle (d) It would violate the first law of thermodynamics ~ @ S Gas leaves the bottle because of a pressure difference. If the pressure inside and outside the bottle were the same, the gas would not escape