Home
Class 11
CHEMISTRY
An open flask contains air at 27^(@) C a...

An open flask contains air at `27^(@)` C and one atm. Pressure. The flask is heated to `127^(@)` C at the same pressure . The fraction of original air remaining in the flask will be

A

`(1)/(5)`

B

`(2)/(5)`

C

`(1)/(2)`

D

`(3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STATES OF MATTER : GASES AND LIQUIDS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|50 Videos
  • STATES OF MATTER : GASES AND LIQUIDS

    MARVEL PUBLICATION|Exercise HIGHER LEVEL|35 Videos
  • SOLID STATE

    MARVEL PUBLICATION|Exercise Multiple choice questions|183 Videos
  • SURFACE CHEMISTRY

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|35 Videos

Similar Questions

Explore conceptually related problems

A gas in an open container is heated from 27^(@)C to 127^(@)C The fraction of the original amount of gas remaining in the container will be .

An open flask contains air at 27^(@)C . Calculate the fraction of air that would be expelled out, at 477^(@)C .

Knowledge Check

  • A gas in an open container is treated from 27^(@)C to 127^(@)C . The fraction of original amount of gas remaining in the container will be

    A
    `(3)/(4)`
    B
    `(1)/(4)`
    C
    `(1)/(2)`
    D
    `(1)/(8)`
  • An open flask contains air at 27°C.To what temperature it must be heated to expel one-fourth of the air?

    A
    225 K
    B
    65°C
    C
    927°C
    D
    460°C
  • An open vessel containing air is heated from 27^(@)C to 127^(@)C . The fraction of air originally present which goes out of it is

    A
    `3//4`
    B
    `1//4`
    C
    `2//3`
    D
    `1//8`
  • Similar Questions

    Explore conceptually related problems

    Two flask A and B of equal volume are taken. Flask a contains (H_(2)(g) at 27^(@)C and 1 atm pressure. Flask B contain N_(2)(g) at 27^(@)C and 2 atm pressure. Then select incorrect statements.

    A sample of air occupies 10 L at 127^(@)C and 1 atm pressure. What volume of air will be expelled when it is cooled to -23^(@)C at the same pressure?

    A flask having a volume of 250.0 mL and containing air is heated to 100^(@)C and sealed. Then the flask is cooled to 25^(@)C , immersed in water, and opened. What volume of water will be drawn back into the flask, assuming the pressure remaining constant ?

    An open flask contains air at 27^(@)C , calculate the temperature to which it should be heated such that one third of air measured at final temperature escapes out.

    A flask of 4.48 L capacity contains a mixture of N_(2) and H_(2) at 0^(@)C and 1 atm pressure. If thed mixture is made to react to form NH_(3) gas at the same temperature, the pressure in the flask reduces to 0.75 atm . Select statement(s) :