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An open vessel at 27^@C is heated until ...

An open vessel at `27^@C` is heated until three-fourths mass of the air in it has been expelled. Neglecting the expansion of the vessel, the temperature to which the vessel has been heated is 

A

750K

B

1200K

C

400K

D

900K

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STATES OF MATTER-PRACTICE EXERCISE
  1. What weight of N2 is present in a 22.4 lit flask at 273^@C and 380mm?

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  2. What is the mole percentage of O(2) in a mixture of 7g of N(2) and 8g ...

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  3. An open vessel at 27^@C is heated until three-fourths mass of the air ...

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  4. Oxygen is present in a flask of 1.12L capacity at a pressure of 7.6 xx...

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  5. The volume occupied by 8.8 gm of CO2 at 31.1^@C and 1 bar pressure (...

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  6. At standard pressure and temperature conditions the density of a gas i...

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  7. The volume of 2.8g of carbon monoxide at 27^@C and 0.821 atm pressure ...

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  8. 7.5 g of a gas occupies 5.6 litres as STP. The gas is

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  9. What is the density (in "g lit"^(-1)) of CO2, at 400 K and exerting a ...

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  10. The volume of a gas measured at 27^@C and 1 atm pressure is 10 litres....

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  11. The density of a gas 'S' at 2 atm and 27^@C is 1.3 gm / lit. Then the ...

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  12. The weight of 112 ml of oxygen at STP, on liquifaction would be

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  13. A bulb of unknown volume 'V' Contains an ideal gas at 2 atm pressure. ...

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  14. 200 ml of O2 gas maintained at 700mm pressure and 250ml of N2 gas main...

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  15. The rate of diffusion of methane at given temperature is twice that of...

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  16. Two gram of hydrogen diffuse from a container in 10 minutes. How many ...

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  17. 300ml of O2 diffused though a porous pot in 50 Sec. How long will it t...

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  18. 100ml of O2 diffuses in 100 minutes, under similar conditions one litr...

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  19. Among the following gaseous elements with atomic numbers, which will h...

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  20. A cylinder contains 6.023 xx 10^23 molecules of hydrogen and 5 xx 6.02...

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