Water vapor or smoke does not create a vacuum in a container. The presence of water vapor or smoke in a container does not result in a removal of air or a decrease in air pressure.
If a container is filled with water vapor or smoke, the air molecules are still present. However, the visibility of the air molecules may be obscured by the water vapor or smoke particles, giving the appearance of a "vacuum" or reduced visibility. The air molecules continue to move and collide with each other, even in the presence of water vapor or smoke.
It is important to note that a vacuum refers to a space devoid of matter, specifically air or any other gas. Water vapor or smoke does not remove the air molecules or create a vacuum; it simply introduces additional particles into the container, which can affect visibility or create a foggy appearance.