Home
Class 12
CHEMISTRY
Work done for converson of 0.5 mole of w...

Work done for converson of 0.5 mole of water of `100^(@)C` to steam at 1 atm pressure is (heat of vaporisation of water at `100^(@)C` is `4070J"mol"^(-1)`)

A

-1.54 kJ

B

1.54 kJ

C

1.25 kJ

D

-1.35 kJ

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART II CHEMISTRY|10 Videos

  • MOCK TEST 10

    KVPY PREVIOUS YEAR|Exercise EXERCISE|24 Videos

Similar Questions

Explore conceptually related problems

Calculate w and DeltaU for the conversion of 1 mol of water at 100^(@)C to steam at 1 atm pressure.Heat of vaporisation of water at 100^(@)C is 40.670 kJ mol^(-1) .Assume ideal gas behaviour.

What is DeltaU when 2.0 mole of liquid water vaporise at 100^(@)C ? The heat of vaporistaion , DeltaH vap. of water at 100^(@)C is 40.66 kJ mol^(-1) .

What is Delta U when 2.0 mole of liquid water vaporises at 100^(@)C ? The heat of vaporisation (Delta H_("vap".)) of water at 100^(@)C is 40.66 KJmol^(-1) .

One moles of strem is compressed reversibly of water at boiling point 100^(@)C . The heat of vapourisation of water at 100^(@)C and 1atm is 540cal g^(-1) . Calculate DeltaU and DeltaH .

Calculate the entropy change when one mole of water at 373 K is converted into steam. Latent heat of vaporisation of water (DeltaH_(v)) is 40.7 xx 10^(3) J mol^(-1)

KVPY PREVIOUS YEAR-MOCK TEST 1-EXERCISE
  1. According to kinetic theory of gases, for a diatomic molecule

    Text Solution

    |

  2. In the given conformation, if C(2) is rotate about C(2)-C(3) bond anti...

    Text Solution

    |

  3. Predict the possible number of alkenes and the main alkene in the foll...

    Text Solution

    |

  4. Work done for converson of 0.5 mole of water of 100^(@)C to steam at 1...

    Text Solution

    |

  5. The nuclei of elements X,Y and Z have same number of protons, but diff...

    Text Solution

    |

  6. The total number possible isomers for the complex compound [Cu^(II)(NH...

    Text Solution

    |

  7. On being placed in water , sodium peroxide not only produces an alkali...

    Text Solution

    |

  8. For AB bond if percent ionic character is plotted against electro neha...

    Text Solution

    |

  9. Which of the following reactions would give a good yield of hydrocarbo...

    Text Solution

    |

  10. The mole fraction of methanol in its 4.5 molal acqueous solution is

    Text Solution

    |

  11. The octahedral complex of a metal ion M^(3+) with four monodentate lig...

    Text Solution

    |

  12. Consider a class room of dimensions 5xx10xx3m^3 at temperature 20^@C a...

    Text Solution

    |

  13. AgNO3(aq) was added to an aqueous KC1 solution gradually and the condu...

    Text Solution

    |

  14. Among the following, the number of reaction (s) that produce(s) benzal...

    Text Solution

    |

  15. The uncertainty in the position of an electron (mass = 9.1 xx 10^-28 g...

    Text Solution

    |

  16. An orgainc compound A upon reacting with NH(3) gives B On heating B gi...

    Text Solution

    |

  17. In view of the signs of Delta(r)G^(0) for the following reactions Pb...

    Text Solution

    |

  18. The thickness of a piece of paper is 0.0036 inch Suppose a certain boo...

    Text Solution

    |

  19. XmL of H(2) gas effuses through a hole in a container is 5 second. The...

    Text Solution

    |

  20. 3-menthyl-pent-2-ene on reaction with HBr in presence of peroxide form...

    Text Solution

    |