Interpretation:
Boiling and evaporation must be compared.
Concept introduction:
Boiling and evaporation are physical processes in which liquid is converted to gas.
Answer to Problem 76A
Boiling can takes place at a particular temperature and pressure whereas evaporation can takes place at any temperature and pressure.
Explanation of Solution
Boiling takes place from bulk liquid but evaporation can takes place from the surface.
Boiling generally takes place with sound but evaporation doesn’t have any sound.
Boiling point depends on pressure and so boiling point can change along with pressure change.
For example evaporation of water takes place at any temperature and pressure. But water boils at 100°C at 1 atm pressure. But if pressure is changed then the boiling point will also change from 100°C.
Boiling takes place from bulk of the liquid at a particular temperature and pressure unlike evaporation which takes place at any temperature and pressure from the surface of the liquid.
Chapter 12 Solutions
Chemistry: Matter and Change
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