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What is torr? How many torr are equal to...

What is torr? How many torr are equal to 1 atm?

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Unit of pressure: 1 atm=760 torr.
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Knowledge Check

  • How many zeros are there in (126) !?

    A
    29
    B
    30
    C
    31
    D
    32
    • CHHAYA PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-EXERCISE (VERY SHORT TYPE QUESTIONS)
    1. What is torr? How many torr are equal to 1 atm?

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    2. Why is the pressure of a given amount of gas increased when the temper...

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    3. What are the parameters in the equation, PV=nRT, taken to be constant,...

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    4. The pressure of a certain amount of gas is 1 atm. At what temperature ...

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    5. What is the value of Boltzmann constant in the unit of calorie?

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

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

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

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

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    10. Give an application of effusion.

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

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

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

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

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

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

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

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    18. Why liquid has no definite shape?

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    19. What is the vapour presure of a liquid?

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

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