Home
Class 11
CHEMISTRY
. A gas in an open container is heated f...

. 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 :

A

`3/4`

B

`1/4`

C

`1/2`

D

`1/8`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    PATHFINDER|Exercise QUESTION BANK|46 Videos

  • THERMODYNAMICS

    PATHFINDER|Exercise QUESTION BANK|433 Videos

Similar Questions

Explore conceptually related problems

When an open vessel is heated from 300 K to 500 K, what percentage of the gas will escape out ?

At constant pressure, a fixed mass of a gas is heated form 0^@C to 30^@C . Find the ratio of the volumes of the gas at 0^@C and 30^@C .

The temperature of a gas in increased from 27^@C to 327^@C . Show that the rms velocity of the gas molecules at higher temperature is sqrt2 times the velocity at the initial temperature.

Water of volume 2 L in a container is heated with a coil of 1 kW at 27^(@)C . The lid of the container is open and energy dissipates at rate of "160 J . S"^(-1) . In how much time (in minutes) temperature will rise from 27^(@)C to 75^(@)C ? ["Given specific heat of water is 4.2 kJ . kg"^(-1)]

The temperature of a gas is increased from 27^@C to 327^@C . Show that the R.M.S. velocity of the gas molecules a higher temperature is sqrt2 times the velocity at the initial temperature.

The temperature of a gas is increased from 27 ^(@) C to 327 ^(@ ) C . Show that the rms velocity of the gas molecules at higher temperature is sqrt(2) times the velocity at the intial temperature .

The volume of a container is 10L, It is filled with O_2 at STP. IF the container is heated to 27^@C and then opened at a pressure of 75 cmHg, then what will be the mass of gas expelled? Mass of 1L of oxygen at STP is 1.43g .

A closed vessel of fixed volume is filled with 3.2g O_(2) at a pressure of P atm and at a temperature of TK. The container is then heated to a temperature of (T+30)K. to maintain the pressure of P atm inside the container at (T+30)K, a certain amount of gas is removed from the container. the gas removed is found to have a volume of 246 mL at 1 atm and 27^(@)C . calculate T.

70 cals of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30^@C to 35^@C . Calculate the amount of heat required to raise the temperature of same gas through same range at constant volume. (R = 2 cal / mole ^@C )

PATHFINDER-STATES OF MATTER (GASES & LIQUIDS)-QUESTION BANK
  1. According to Charles’ law :

    Text Solution

    |

  2. Figure shows graphs of pressure versus density for an ideal gas at two...

    Text Solution

    |

  3. . A gas in an open container is heated from .27^@C to 127^@C. The frac...

    Text Solution

    |

  4. If there is no intermolecular force, what will be the volume of 4.5 kg...

    Text Solution

    |

  5. If the pressure of (N2,H2) mixture in a closed vessel is 100 atmospher...

    Text Solution

    |

  6. The heat capacity of the following gases at room temperature are such ...

    Text Solution

    |

  7. If one mole of a monatomic gas (gamma=5/3) is mixed with one mole of a...

    Text Solution

    |

  8. The rate of diffusion of NH3 is 3.32 times faster than that of an unkn...

    Text Solution

    |

  9. The Maxwell- Boltzmann distribution law of molecular speeds is graphic...

    Text Solution

    |

  10. The kinetic energy of N molecules of O2 is x joule at - 123^@C. Anothe...

    Text Solution

    |

  11. At what temperature will hydrogen molecules have the same kinetic ener...

    Text Solution

    |

  12. The ratio of average speed of an oxygen molecule to the rms. speed of ...

    Text Solution

    |

  13. At 27^@C the ratio of root mean square speeds of ozone and oxygen is:

    Text Solution

    |

  14. The temperature of an ideal gas is increased from 140 K to 560 K. If.a...

    Text Solution

    |

  15. The average molecular speed is greatest in case of a gas sample of:

    Text Solution

    |

  16. The root mean square speed of an ideal gas in a closed container of fi...

    Text Solution

    |

  17. The root mean square speed of the molecules of diatomic gas is u. When...

    Text Solution

    |

  18. A certain gas diffuses from two different vessels A and B. The vessel ...

    Text Solution

    |

  19. At 47^@C and 16.0 atm, the molar volume of NH3 gas is about 10% less t...

    Text Solution

    |

  20. Consider following equations : PV =nRT U(rms)=sqrt(3RT)/M R1/R2=...

    Text Solution

    |