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Which one is used to calculate the avera...

Which one is used to calculate the average kinetic energy of gas molecules, average speed or root mean square speed?

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Root mean square velocity.
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CHHAYA PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-EXERCISE (VERY SHORT TYPE QUESTIONS)
  1. What is the value of Boltzmann constant in the unit of calorie?

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  2. What types of intermolecular forces of attraction are there in N(2) an...

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  3. How is the rate of effusion of a gas at a given temperature related to...

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  4. Why is the PV vs P plot for an ideal gas at a given temperature parall...

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  5. What is the slope of the plot of log P vs log V for a given amount of ...

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  6. Give an application of effusion.

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  7. Expansibility of a gas is much greater than that of a liquid or solid ...

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  8. Which one is used to calculate the average kinetic energy of gas molec...

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  9. Of the gases CO(2) and SO(2), whose molecules possess greater most pro...

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  10. Give the expression of kinetic gas equation for n mol of ideal gas.

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  11. What is the valuue of the compressibility factor of an ideal gas?

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  12. Write the units of van der waals constants 'a' and 'b'.

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  13. Give definition: (i) critical pressure (ii) critical volume of a gas.

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  14. Why liquid has no definite shape?

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  15. What is the vapour presure of a liquid?

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  16. What do you mean by the normal boiling point of a liquid?

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  17. What do you mean by the surface tension of a liquid?

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  18. The surface tension of mercury is much greater than water why?

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  19. What is capillary action?

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  20. What do you mean by the viscosity coefficient of a liquid?

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