5 Questions
What are the two methods for obtaining liquids from gases?
Cooling the gas below its critical temperature and treating it at high pressure, or heating solids up to or beyond their melting points.
What happens to the thermal energies of molecules when a gas is cooled to form a liquid?
The thermal energies of molecules decrease.
How does high pressure affect the volume of a system when converting a gas to a liquid?
High pressure decreases the volume of the system, allowing the molecules to come closer and increasing the forces of attraction among them.
What type of energy do molecules in solids possess?
Molecules in solids possess only vibrational energy and do not possess any translational energy.
What effect does heating solids have on the forces of attraction among molecules?
Heating solids imparts sufficient energy to the molecules so that they can overcome the strong forces of attraction amongst them.
Test your knowledge of physical properties of liquids with this quiz. Explore characteristics of the liquid state and the effects of cooling and high pressure on molecules.
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