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0.157g of a certain gas collected over w...

0.157g of a certain gas collected over water occupies a volume of 135ml at 27°C and 750mm of Hg. Assuming ideal behaviour, the molecular weight of the gas is (aqueous tension at 27°C is 26.7 mm of Hg)

A

30

B

32

C

28

D

16

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE -2
  1. A and B are ideal gases. The molecular weights of A and B are in the r...

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  2. In a mixture of N2 and CO2 gases, the partial pressure of CO(2) is 1....

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  3. 0.157g of a certain gas collected over water occupies a volume of 135m...

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  4. In a ten litre vessel, the total pressure of a gaseous mixture contain...

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  5. A mixture contains 16g of oxygen, 28g of nitrogen and 8g of methane. T...

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  6. Equal weights of methane and oxygen are mixed in an empty container at...

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  7. Pressure exerted by 2 grams of helium present in a vessel is 1.5 atm. ...

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  8. A certain quantity of a gas occupies 100ml when collected over water a...

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  9. A sample of air contains Nitrogen, Oxygen and saturated with water vap...

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  10. The average kinetic energies of helium (mol.wt.4), methane (mol.wt.16)...

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  11. The temperature at which Methane molecules have the same average Kinet...

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  12. The kinetic energy of 1 mole of oxygen molecules in cal mol^(-1) at 2...

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  13. The average K.E. of an ideal gas per molecule in SI units at 25^@ C is

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  14. The kinetic energy of 'N' molecules of H(2) is 3J at -73°C. The kinet...

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  15. SO(2) , molecule is twice as heavy as O(2) molecule. Hence at 25°C th...

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  16. The ratio of the kinetic energies of equal number of moles of H(2) an...

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  17. A cubical vessel has a side with ‘l’ cm length contained a gas at a pr...

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  18. Calculate the kinetic energy of 5 moles of O2 at 37^@ C.

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  19. The rms velocity of CO(2) at a temperature, T (in kelvin) is x eras^(1...

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  20. When the temperature of a gas is raised from 27^@C to 927^@C, its RMS ...

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