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Why do real gases show deviation from id...

Why do real gases show deviation from ideal behaviour ? Write van der Waals equation for n moles of a gas.

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PRADEEP-STATES OF MATTER : GASES AND LIQUIDES-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS) (Differentiating three states of matter and intermolecular forces)
  1. Define Charles's law. Give its mathematical formulae.

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  2. Define Absolute zero. Can this temperature be attained in actual pract...

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  3. What is the value of the gas constant in S.I. units ?

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  4. Derive the relationship between pressure, temperature and density of a...

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  5. Define Dalton's law of partial pressures. Using this law, how is the p...

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  6. Graham's Law of Diffusion

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  7. List the important postulates of kinetic theory of gases.

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  8. Define most probable speed, average speed and root mean square speed ...

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  9. Write kinetic gas equation. How does Boyle's law follow from it ?

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  10. Write kinetic gas equation. How does Charles' law can derive from it ?

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  11. What is 'compressibility factor' ? What is its value for 'an ideal gas...

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  12. Why do real gases show deviation from ideal behaviour ? Write van der ...

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  13. What are the untis of van der Waals constant 'a' and 'b' ? What is the...

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  14. Why is the effect of temperature more important for the liquefaction o...

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  15. Briefly describe the importance fo critical temperature. How can it be...

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  16. Explain the statement 'Liquid state is intermediate between the gaseou...

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  17. Give reasons for the following :- (i) Liquids have a define volume b...

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  18. Define vapour pressure, boiling point and heat of vaporisation.

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  19. The difference between boiling and evaporation is that

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  20. What is the effect of temperature on : (a) Density , (b) Surface te...

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