Home
Class 11
CHEMISTRY
Molar enthalpy of vaporisation of water ...

Molar enthalpy of vaporisation of water at `1atm, 500 K " is" 1100 " cal"//"mole"`. If 2 mole of water is vapourised in a closed rigid container at 500 K then calculate the heat required.
(Assume ideal behaviour of `H_(2)O(g))`

Text Solution

Verified by Experts

The correct Answer is:
200
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

The bond energy of an O -H bond is 109 K. cal "mole"^(-1) . When a mole of water is formed

The value of (DeltaH- DeltaU) for vaporisation of water at 100^@C is 'x' x 10^2 J//"mole" , assume water vapour to be an ideal gas [Take R = 8.31 J//"mole".K ]

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

The entropy of fusion of water is 5.260 cal//"mole" K calculate the enthalpy of fusion of water ?

Calculate the work done when done when 1.0 mol of water at 373K vaporises against an atmosheric pressure of 1.0atm . Assume ideal gas behaviour.

If water vapour is assumed to be a perfect gas, molar enthalpy change for vapourisation of 1 mol of water at 1 bar and 100^(@)C is 41 KJ mol^(-1) . Calculate the internal energy, when i) 1 mol of water is vaporised at 1 bar pressure and 100^(@)C ii) 1 mole of water is converted into ice.

For the reaction A(g)+2B(s)toC(l)+D(g)," "Delta H=-40 kJ//"mole" 10 mole of each A and B are mixed in a closed rigid container and allowed to react at 300 K. Calculate the heat transfer (in kJ) occurs in the process. [Use : R=8.3 "J"//"K-mole" ]

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. 1 mole of CaCO(3)is heated in a closed container fitted with a frictio...

    Text Solution

    |

  2. One mole of an ideal gas at 27^(@) ,8.21 atm absorbs 420 cal of heat d...

    Text Solution

    |

  3. Molar enthalpy of vaporisation of water at 1atm, 500 K " is" 1100 " ca...

    Text Solution

    |

  4. Which of the following are intensive properties? Boiling point Mel...

    Text Solution

    |

  5. For a reaction 2A(g)+3B(g) to 2C(g)+D(g), calculate the magnitude of D...

    Text Solution

    |

  6. 12.5 millinmole of NH(4)NO(3) dissolved in enough water to make 25.0 m...

    Text Solution

    |

  7. A gas expands from a valume of 3 dm^(3) " to " 30 dm^(3) against a con...

    Text Solution

    |

  8. Calculate DeltaG (in bar-L) when a definite mass of a monoatomic ideal...

    Text Solution

    |

  9. How much heat (in kJ) should be supplied to a rigid conducting vessel ...

    Text Solution

    |

  10. A gaseous reaction A(g) hArrB(g) is at equilibrium under standard con...

    Text Solution

    |

  11. At 500 kbar pressure density of diamond and graphite are 3 "g"//"cc" ...

    Text Solution

    |

  12. Calculate DeltaG(reaction) ("kJ"//"mol") for the given reaction at 300...

    Text Solution

    |

  13. An imaginary engine, is capable of expanding the gas upto 10^(13) time...

    Text Solution

    |

  14. The heat evolved on combustion of 1 gm of starch, (C(6)H(10)O(5))x, in...

    Text Solution

    |

  15. Consider the following six conditions. (Serial number 1 to6). Select t...

    Text Solution

    |

  16. Calculate Delta G (in joule) for the reaction 2A(g) to B(g)+C(g) w...

    Text Solution

    |

  17. 4 mole H(2)O(g),2.5mole H(2), 2.5 mole CO(g) and 1 mole inert gas He a...

    Text Solution

    |

  18. For the reaction, N(2)(g)+O(2)(g)hArr2NO(g), " " Delta G^(@)=18.6 ...

    Text Solution

    |

  19. Calculate the magnitude of ring strain energy in ("kJ"//"mol") of cycl...

    Text Solution

    |

  20. The standard molar enthalpies of formation of H(2)O(l) " and " H(2)O(2...

    Text Solution

    |