Interpretation:
Sublimation and evaporation must be compared and contrasted.
Concept introduction:
Sublimation process converts solid to gas and evaporation process converts liquid to gas.
Answer to Problem 30SSC
Sublimation is a physical process in which solid substances are converted to gas without going through liquid state.
Evaporation is a physical process in which liquid is converted to gas.
Explanation of Solution
Sublimation process involves addition of thermal energy and so intermolecular force decreases and intermolecular distance increases. It converts solid to gas. For example solid camphor is converted to camphor vapor.
Evaporation process involves addition of thermal energy and so intermolecular force decreases and intermolecular distance increases. It converts liquid to gas. For example liquid water is converted to water vapor.
Sublimation converts solid to gas whereas evaporation converts liquid to gas.
Chapter 12 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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