Liquefaction of Gases
Chemistry ⇒ States of Matter
Liquefaction of Gases starts at 9 and continues till grade 12.
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A gas at 300 K is compressed to a pressure of 50 atm, but it does not liquefy. What can you infer about the temperature relative to its critical temperature?
A gas is at a temperature below its critical temperature. What must be done to liquefy it?
Calculate the pressure required to liquefy a gas at its critical temperature if its critical pressure is 50 atm.
Define critical pressure.
Describe the difference between the critical temperature and the boiling point of a substance.
Describe the main steps involved in Linde's method for the liquefaction of air.
Describe the role of intermolecular forces in the liquefaction of gases.
Explain why gases deviate from ideal behavior near their liquefaction point.
Explain why helium cannot be liquefied at atmospheric pressure by cooling alone.
Explain why the liquefaction of gases is important in industry.
Explain why the liquefaction of gases is more difficult for noble gases like helium and neon.
Name the scientist who first liquefied hydrogen.
State the critical temperature and critical pressure of carbon dioxide.
State the relationship between critical temperature and the ease of liquefaction of a gas.
What is meant by the liquefaction of gases?
What is the main principle behind Claude's method for the liquefaction of gases?
What is the significance of the critical point on a phase diagram?
