Home
Class 11
PHYSICS
IF the density of helium gas is 0.178 g....

IF the density of helium gas is `0.178 g.L^-1` what will be the rms speed of helium molecules at STP?

Text Solution

Verified by Experts

The correct Answer is:
`1.306 times 10^5 cm.s^-1`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE ( Problem set -II)|9 Videos
  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE ( Hot Numerical problems)|22 Videos
  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions-II)|6 Videos
  • HYDROSTATICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|1 Videos
  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|18 Videos

Similar Questions

Explore conceptually related problems

IF the rms sped of hydrogen molecules is 1.84 km.s^-1 at STP, what will be the rms speed of oxygen molecules at STP? The molecular mass of hydrogen and oxygen and 2 and 32 respectively.

IF the density of nitrogen at STP is 1.25 g.L^-1 , determine the rms speed of nitrogen molecules.

IF the density of hydrogen gas is 0.00009 g.cm^-3 determine the value of rms speed of hydrogen molecules at STP.

Calculate the rms speed of oxygen gas molecule at 300 K.

At what temperature will the rms speed of air molecules be double that at NTP?

At STP, 250cm^(3) of a gas weighs 0.7317g. If the density of H_(2) gas at STP be 0.08987 g*L^(-1) then what will be the vapour density of the gas? Determine the molecular mass of the gas.

Find out the ratio of the rms speeds of hydrogen and nitrogen molecules at STP?

What is the number of helium atoms in 1 mole He?

Density of oxygen at STP is 1.429 g.L^-1 What will be the mass of 2.5 L of oxygen gas at 27^@C and at 780 mmHg pressure?

CHHAYA PUBLICATION-KINETIC THEORY OF GASES-EXERCISE ( Problem set -I)
  1. IF the density of hydrogen gas is 0.00009 g.cm^-3 determine the value ...

    Text Solution

    |

  2. IF the density of helium gas is 0.178 g.L^-1 what will be the rms spee...

    Text Solution

    |

  3. A container having volume 1L contains 10^25 number of oxygen molecules...

    Text Solution

    |

  4. In a hydrogen filled balloon, the pressure of the gas is 11/2times the...

    Text Solution

    |

  5. The velocities of four molecules are 1km.s^-1,3km.s^-1,5 km.s^-1 and 7...

    Text Solution

    |

  6. IF the density of nitrogen at STP is 1.25 g.L^-1, determine the rms sp...

    Text Solution

    |

  7. IF the rms speed of oxygen at STP is 4.6 times 10^4 cm.s^-1 What will ...

    Text Solution

    |

  8. Determine the rms speed of gas molecules at 27^@C [R=8.3 times 10^7 er...

    Text Solution

    |

  9. Determine the rms speed of air at STP Density of mercury =13.6 g.cm^-3...

    Text Solution

    |

  10. Determine the rms speed of carbon dioxide molecules at 0^@C Universal ...

    Text Solution

    |

  11. The temperature of a gas is increased from 77^@C to 277^@C . What will...

    Text Solution

    |

  12. At which temperature will the value of root mean square speed of molec...

    Text Solution

    |

  13. Find the temperature at which the value of rms speed of hydrogen molec...

    Text Solution

    |

  14. Estimate the average thermal energy of helium atom at (i) the temperat...

    Text Solution

    |

  15. Calculate the molecular kinetic energy of 1 g helium gas at 127^@C Mol...

    Text Solution

    |

  16. Calculate the temperature at which the average translational kinetic e...

    Text Solution

    |

  17. IF the rms sped of hydrogen molecules is 1.84 km.s^-1 at STP, what wil...

    Text Solution

    |

  18. If the density and rms speed of a gas are 1.25 times 10^-3 g.cm^-3 and...

    Text Solution

    |

  19. Calculate the rms speed of oxygen gas molecule at 300 K.

    Text Solution

    |

  20. The temperature of an ideal gas is increased from 120K to 480 K. IF a...

    Text Solution

    |