Linds method is employed for__________________?
Correct answer: D. Liquefaction of gases
- A. Separation of gases
- B. Expansion of gases
- C. Compression of gases
- D. Liquefaction of gases
Explanation
The Linde process liquefies gases by repeated compression, cooling and expansion, using the Joule-Thomson effect. It is therefore used for the liquefaction of gases, not simply for their compression or expansion. Students may choose a because separation can occur after liquefaction, but separation is not the main purpose of the Linde method.
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About Real and Ideal Gases
An ideal gas is modelled as particles with negligible volume and no intermolecular attraction, obeying Boyle's, Charles's and Avogadro's laws through PV = nRT. Real gases deviate from this behaviour, especially at high pressure and low temperature, because particle volume and attractive forces matter; the van der Waals equation explains these corrections.
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