Home
Class 11
PHYSICS
One cubic metre of air at 27^(@)C and 10...

One cubic metre of air at `27^(@)C` and `10^(5)Nm^(-2)` pressure weighs `1.18kg`. Calculate the value of the gas constant for `1kg` of the gas and calculate `c_(p)` of air if `168 cal kg^(-1)K^(-1)` and `J=4.2Jcal^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
`282.5Jkg^(-1)K^(-1)`, 235.3calkg^(-1)K^(-1)`
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    NN GHOSH|Exercise Eexercies|39 Videos
  • SURFACE TENSION

    NN GHOSH|Exercise Exercises|1 Videos

Similar Questions

Explore conceptually related problems

The density of a gas at 27^(@)C and 1 bar pressure is "2.56 g L"^(-1) . Calculate the molar mass.

Calculate the gas constant for 1 g of gas from the following data : C_p=0.245 "cal g"^(-1).^@C^(-1), C_v=0.165" cal g"^(-1).^@C^(-1)and J=4.2 xx10^7 erg cal^(-1)

calculate the number of moleculesin each cubic metre of a gas at 1 atm and 27^(@)C .

Calculate the work done by 0.1 mole of a gas at 27^(@)C to double its volume at constant pressure (R = 2 cal mol^(-1)K^(-1))

The specific heat of air at constant pressure is 1.05kj//kg K and the specific heat of air at constant voume is 0.718 KJ//kgK . Find this specific gas constant.

An immersion type electric heater of 250 watts is immersed in 5 kg of water contained in a bucket. In how much time will the temperature water rise by 10^(@)C ? Sp heat capacity of water 1000cal kg^(-1)K^(-1) and J=4.1J cal ^(-1) . Neglect heat capacity of bucket.

A ballon of diameter 20 metre weighs 100 kg Calculate its pay-load if its is filled with He at 1.0 atm and 27^(@)C Density of air is 1.2 kg,^(-3) [ R =0.082 dm^(3) atm K^(-1) mo1^(-1)] .

In a Jolly's differential calorimeter one of the spheres of volume 1 litre was filled with experiemental gas at 10 atmospheric pressure. When steady state was attained, the excess of steam that condensed on this sphere was 0.378g . Calculate the specific heat capacity of the gas at constant volume. (Initial temperature of gas =15^(@)C, L of steam of 100^(@)C=540xx10^(3)cal kg^(-1), J=4.2 J cal^(-1) and density of gas at 1 atmospheric pressure =0.8kgm^(-3) )

At 10^5 Nm^(-2) atmospheric pressure the density of air is 1.29 kg m^(-3) .If gamma=1.41 for air, calculate the speed of sound in air.

Find the molar mass and the number of degrees of freedom of a gas if its heat capacities are as c_(v)=650Jkg^(-1)K^(-1) and c_(p)=910J kg^(-1)K .

NN GHOSH-SPECIFIC HEAT CAPACITY OF GASES-All Questions
  1. In a Jolly's differential calorimeter one of the spheres of volume 1 l...

    Text Solution

    |

  2. Find the number of degrees of freedom of molecules in a gas. Whose mol...

    Text Solution

    |

  3. The volume of each sphere of a Jolly's differential steam caloriment i...

    Text Solution

    |

  4. Find the value of Joule's mechanical equivalent of heat from the follo...

    Text Solution

    |

  5. The specific heat capacity of helium at constant pressure is 1250cal k...

    Text Solution

    |

  6. The difference in the two molar specific heat capacities of a gas is 2...

    Text Solution

    |

  7. The velocity of sound thorugh CO(2) at 0^(@)C is 259ms^(-1). The speci...

    Text Solution

    |

  8. One cubic metre of air at 27^(@)C and 10^(5)Nm^(-2) pressure weighs 1....

    Text Solution

    |

  9. The density of gas at NTP =2.468kgm^(-3) and c(p)=156cal kg^(-)K^(-1)...

    Text Solution

    |

  10. One cubic metre of hydrogen at 0^(@)C and 76cm and of Hg weighs 0.0896...

    Text Solution

    |

  11. If the kinetic energy of the molecules in 5 litre of helium at 2 atm i...

    Text Solution

    |

  12. One mole of oxygen is mixed withone mole of helium. What is gamma of t...

    Text Solution

    |

  13. Under standard conditions the density of a helium (atomic weight =m(1)...

    Text Solution

    |

  14. A gas consisting of N-atomic molecules has the temperature T at which ...

    Text Solution

    |

  15. Find the molar mass and the number of degrees of freedom of a gas if i...

    Text Solution

    |

  16. Find the rate v with which helium flows out of a thermally insulated v...

    Text Solution

    |

  17. Find the specific heat capacities cv and cp for a gaseous mixture cons...

    Text Solution

    |