Home
Class 11
PHYSICS
Estimate the total number of air molecul...

Estimate the total number of air molecules (inclusive of `O_2,N_2` and water vapour and other constituents) in a room of capacity `25 m^3` at a temperature of `27^@C` and 1 atm pressure.

Text Solution

Verified by Experts

The correct Answer is:
`6.12 times 10^26`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Assertion -reason type)|6 Videos
  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(Multiple correct answer type)|5 Videos
  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise EXERCISE ( Problem set -II)|9 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

Calculate the volume of 3.6g of water vapour at 273K temperature and 1 atm pressure.

The number of molecules 67.2 L of a gas at 0^@C and 1 atm pressure is:

Find the typical de Broglie wavelength associated with a He atom in helium gas at room temperature (27 ""^(@)C) and 1 atm pressure.

At 10^(-3)mm pressure and 300 K, a 2L flask contains equal numbers of moles of N_(2) and water vapour. (i) what is the total number of moles of N_(2) and water vapour in the mixture ? (ii) what is the total mass of the mixture?

Calculate (1) the enthalpy change in the fusion of 100 g ice at 0^(@)C temperature and 1 atm pressure pressure (2) the enthalpy change in the vaporisation of 10g water at 100^(@)C temperature and 1 atm pressure. Givenn : Latent heat of ice at 0^(@)C temperature and 1 atm pressure =6.02kJ*mol^(-1) and latent heat of vaporisation of water at 100^(@)C temperature= 40.4kJ*mol^(-1) .

Combustion of 1 volume of a compound (contains of C, H and N) in air produces 3 volumes of CO_(2) and 4.5 volumes water vapour and 0.5 volume of N_(2) . Calculate the molecular formula of the compound. [all volumes are measured at same temperature and pressure].

Which of the following is true for a reaction H_2O (I) m H_2O (g) at 100^@C 1 atm Pressure :

CHHAYA PUBLICATION-KINETIC THEORY OF GASES-EXERCISE ( Hot Numerical problems)
  1. Calculate the number of molecules is 1cm^3 of an ideal gas at 27^@C. T...

    Text Solution

    |

  2. The mass of one molecule of hydrogen gas is 3.2 times 10^-24 g The roo...

    Text Solution

    |

  3. A dust particle present in air is 10^12 times heavier than a molecule ...

    Text Solution

    |

  4. Estimate the total number of air molecules (inclusive of O2,N2 and wat...

    Text Solution

    |

  5. Calculate the mean free path for the collision of nitrogen molecules a...

    Text Solution

    |

  6. The average kinetic energy of a hydrogen molecule at 0^@C is 5.64 tim...

    Text Solution

    |

  7. The radius of a completely evacuated bulb is 20 cm. The bulb is filled...

    Text Solution

    |

  8. Determine the number of molecules is 20 cm^3 of a gas at 27^@C and 76 ...

    Text Solution

    |

  9. An insulated box containing a mono-atomic gas of molar mass M moving w...

    Text Solution

    |

  10. Given below are densities of some solids and liquids given rough estim...

    Text Solution

    |

  11. Find out the temperature at which the average translational kinetic en...

    Text Solution

    |

  12. Nuclear fusion occurs among deuterium nuclei when the average kinetic ...

    Text Solution

    |

  13. Calculate the translational kinetic energy and net kinetic energy of a...

    Text Solution

    |

  14. A cylinder of volume 10L contains nitrogen gas at 27^@C, and 50 standa...

    Text Solution

    |

  15. The mean free path of oxygen gas molecules at STP is 9.5 times 10^-6 c...

    Text Solution

    |

  16. A gas is equilibrium has uniform density and pressure throughout its v...

    Text Solution

    |

  17. The velocity of a nitrogen molecule on the earth surface is equal to i...

    Text Solution

    |

  18. Two non-reactive monoatomic ideal gases have their atomic masses in th...

    Text Solution

    |

  19. Two mole of ideal helium gas is in a rubber balloon at 30^@C. The ball...

    Text Solution

    |

  20. A closed container of volume 0.02 m^3 contains a mixture of neon and a...

    Text Solution

    |