Home
Class 11
PHYSICS
The latent heat of vaporisation of water...

The latent heat of vaporisation of water is 2240 J/gm. If the work done in the process of expansion of 1 g of water is 168 J, then increase in internal energy is

A

2408 j

B

2240 j

C

2072j

D

1904j

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    ERRORLESS |Exercise Exercise|214 Videos
  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

Similar Questions

Explore conceptually related problems

The letent heat of caporisation of water is 2240 J if the work done in the precess of caporization of 1g is 148J then increases in initial energy will be

If the amount of heat given to a system is 40 J and the amount of work done on the system is 15 J then the change in internal energy is

1g of water changes from liquid to vapour phase at constant pressure of 1 atmosphere, the volume increases from 1 mL to 1671 mL . The heat of vaporisation at this pressure is 540 cal//g . Find the: (a) Work done (in J )during phase change. (b) Increase in internal energy of water.

During 200J work done on the system, 140J of heat is given out. Calculate the change in internal energy.

If the amount of heat given to a system is 3 5 J and the amount of work done on the system is 15 J, then the change in internal energy of the system is

The latent heat of vaporisation of water at 100 ^(@)C is 540 cal g^(-1) . Calculate the entropy increase when one mole of water at 100^(@)C is evaporated

One gram of water (1 cm^(3)) becomes 1671 cm^(3) of steam at a pressure of 1 atm. The latent heat of vaporization at this pressure is 2256 J/g. Calculate the external work and the increase in internal energy.

ERRORLESS -THERMODYNAMICS-All Questions
  1. When heat is given to a gas in an isothermal change, the result will b...

    Text Solution

    |

  2. When 1g of water at 0^@C and 1xx10^5(N)/(m^2) pressure is converted in...

    Text Solution

    |

  3. The latent heat of vaporisation of water is 2240 J/gm. If the work don...

    Text Solution

    |

  4. 540 calories of heat convert 1 cubic centimeter of water at C o100 int...

    Text Solution

    |

  5. One mole of an ideal gas expands at a constant temperature of 300 K fr...

    Text Solution

    |

  6. A cylinder fitted with a piston contains 0.2 moles of air at tempera...

    Text Solution

    |

  7. The volume of an ideal gas is 1 litre and its pressure is equal to 72 ...

    Text Solution

    |

  8. During an isothermal expansion of an ideal gas

    Text Solution

    |

  9. If a cylinder containing a gas at high pressure explodes, the gas unde...

    Text Solution

    |

  10. Statement-1 : In an adiabatic process, change in internal energy of a ...

    Text Solution

    |

  11. How does internal energy of a gas change in adiabatic expansion?

    Text Solution

    |

  12. The pressure in the tyre of a car is four times the atmospheric pressu...

    Text Solution

    |

  13. A gas at NTP is suddenly compressed to one-fourth of its original vol...

    Text Solution

    |

  14. A monoatomic gas (gamma=5//3) is suddenly compressed to (1//8) of its ...

    Text Solution

    |

  15. The pressure and density of a diatomic gas (gamma=7//5) change adiabat...

    Text Solution

    |

  16. An ideal gas at 27^(@)C is compressed adiabatically to 8//27 of its or...

    Text Solution

    |

  17. Two identical samples of gases are allowed to expand to the same final...

    Text Solution

    |

  18. The ratio of slopes of adiabatic and isothermal curves is

    Text Solution

    |

  19. An ideal gas undergoing adiabatic change has the following pressure-te...

    Text Solution

    |

  20. The amount of work done in an adiabatic expansion from temperature T ...

    Text Solution

    |