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Questions and Answers
What is the process by which molecules on the surface of a liquid break away and go into the gas phase?
What is the process by which molecules on the surface of a liquid break away and go into the gas phase?
- Sublimation
- Vaporization
- Evaporation (correct)
- Condensation
In a closed container, what is established when molecules return to the liquid at the same rate as they leave it?
In a closed container, what is established when molecules return to the liquid at the same rate as they leave it?
- Equilibrium between liquid and vapor (correct)
- Formation of a vacuum
- Complete vaporization of the liquid
- Increased rate of evaporation
What depends on temperature in the same way for molecules in liquids as it does for molecules in gases?
What depends on temperature in the same way for molecules in liquids as it does for molecules in gases?
- Potential energies
- Electrostatic forces
- Atomic number
- Kinetic energies (correct)
At a lower temperature, why is evaporation slower and the equilibrium vapor pressure lower?
At a lower temperature, why is evaporation slower and the equilibrium vapor pressure lower?
What must molecules possess to break away from the liquid during evaporation?
What must molecules possess to break away from the liquid during evaporation?
What is evaporation?
What is evaporation?
What happens in a closed container during equilibrium?
What happens in a closed container during equilibrium?
What affects the kinetic energies of molecules in liquids?
What affects the kinetic energies of molecules in liquids?
How does temperature affect evaporation?
How does temperature affect evaporation?
What is the relationship between lower temperature and evaporation?
What is the relationship between lower temperature and evaporation?
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