Home
Class 11
PHYSICS
A mole of an ideal gas initially at a te...

A mole of an ideal gas initially at a temperature `T_(1)=290K` expands isobarically until its volume increases 2 times. Next the gas is cooled isochorically to its initial temperature `T_(1)`.Find (a) the incement `DeltaU` in the internal energy of the gas, (b) the work `A` done by the gas (c) the amount of the heat `Q` received by the gas.

Text Solution

Verified by Experts

The correct Answer is:
(a) 0 (b) `2.4kJ`, (c) `2.4kJ`
Promotional Banner

Topper's Solved these Questions

  • EXPANSION OF SOLIDS

    NN GHOSH|Exercise All Questions|18 Videos
  • FRICTION, WORK POWER AND ENERGY

    NN GHOSH|Exercise Exercises (B)|36 Videos

Similar Questions

Explore conceptually related problems

In an adiabatic expansion of a gas initial and final temperatures are T_(1) and T_(2) respectively, then the change in internal energy of the gas is

In an isobaric heating process in which the temperature canges from 0^(@)C to 100^(@)C , a mole of an ideal gal absorbs Q=3.35kJ . Find: (a) the value of gamma (b) the increment DeltaU in the internal energy of the gas, (c) the work A done by the gas.

4 moles of an ideal monoatomic gas is heated isobarically so that its absolute temperature increases 2 times. Then the entropy increment of the gas in this process is

One mole of an ideal gas at temperature T_ expands slowly according to the law p/V= constant. Its final temperature is T_2 . The work done by the gas is

One mole of an ideal gas at temperature T was cooled isochorically till the gas pressure fell from P to (P)/(n) . Then, by an isobaric process, the gas was restored to the initial temperature. The net amount of heat absorbed by the gas in the process is

Two moles of an ideal gas at temperature T_(0) = 300 K was cooled isochorically so that the pressure was reduced to half. Then, in an isobaric process, the gas expanded till its temperature got back to the initial value. Find the total amount of heat absorbed by the gas in the processs

[" One mole of an ideal gas at a "],[" temperature "T_(1)" K expands slowly "],[" according to the law "(p)/(V)" is "],[" constant.Its final temperature is "],[T_(2)K" .The work done by the gas "],[" is "]

An ideal gas expands from an initial temperature T_(1) to a final temperature T_(2) . Prove that the work done by the gas is C_(V) (T_(2) - T_(2)) .

NN GHOSH-FIRST LAW OF THERMODYNAMICS-All Questions
  1. A block of ice is dropped into a well of water, both ice and water be...

    Text Solution

    |

  2. A hole is drilled into a block of lead of mass 10kg by a driller. The ...

    Text Solution

    |

  3. A bullet of lead melts when stopped by obstacle. Assuming that 25 per ...

    Text Solution

    |

  4. A thermally insulated vessel containing a gas, whose molar mas is equa...

    Text Solution

    |

  5. Gaseous hydrogen initially contained under standard conditions in a se...

    Text Solution

    |

  6. Two lead spheres of masses 10kg and 30k approach each other with speed...

    Text Solution

    |

  7. A copper calorimeter of mass 0.1kg is filled with 52g of kerosene. A r...

    Text Solution

    |

  8. The anode of a diode valve ils bmbarded by a stream of electrons each ...

    Text Solution

    |

  9. Water oozes out from a porous pot the pressure inside being 20 atmosph...

    Text Solution

    |

  10. As a result of heating a mole of an ideal gas at constant pressure by ...

    Text Solution

    |

  11. How much heat must be supplied to nitrogen in a process of heating at ...

    Text Solution

    |

  12. Two moles of a certain ideal gas at 300K were cooled at constant volum...

    Text Solution

    |

  13. Calculate the value of gamma for a gaseous mixture consisting n(1) mol...

    Text Solution

    |

  14. Find how much heat is necesssary to do internal work in converting 1g ...

    Text Solution

    |

  15. A gas of adiabatic exponent gamma is supplied heat at a constant press...

    Text Solution

    |

  16. In an isobaric heating process in which the temperature canges from 0^...

    Text Solution

    |

  17. A mole of an ideal gas initially at a temperature T(1)=290K expands is...

    Text Solution

    |

  18. Two moles of helium gas (gamma=5/3) is initially tat temperature t(1)=...

    Text Solution

    |

  19. At 27^@C two moles of an ideal monoatomic gas occupy a volume V. The g...

    Text Solution

    |

  20. A system undregoes a change of state during which 100kJ of heat is tra...

    Text Solution

    |