The "fog" generated from dry ice is a prime example of sublimation. Dry ice is actually solid carbon dioxide, which at room temperature goes directly from solid to gas, producing a fog-like effect.
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mothballs, it is a solid, with a smell, if you can smell it it has to be in the air a gas, if has not melted and boiled first and is not a dust scattered in the air then it must have sublimed. ( gone directly from a solid to a gas)
This process is known as sublimation. Sublimation occurs when a substance goes from a solid to a gas without passing through the liquid state. Examples of substances that undergo sublimation include dry ice (solid carbon dioxide) and mothballs (paradichlorobenzene).
Sublimation is the process in which a solid turns directly into a gas without passing through the liquid state.
Some natural examples of sublimation include the process of dry ice (solid carbon dioxide) turning directly into carbon dioxide gas, mothballs slowly evaporating into the air, and frost forming on a cold surface from water vapor in the air.
Just like by distillation, the different components of a mixture have different boiling and sublimation levels. If a mixture is heated up, the component that takes the least amount of energy to undergo sublimation will be evaporated out first, and the other component remains there in its original state.
Sublimation is the phase change from solid to gas without passing through the liquid phase. In sublimation, the solid directly changes into a gas without becoming a liquid first. Examples include dry ice (solid carbon dioxide) turning into carbon dioxide gas and camphor crystals turning into vapors.