Home
Class 11
CHEMISTRY
When 1 mole of super cooled water freeze...

When 1 mole of super cooled water freezes, its temperature suddenly rises. The source of heat for the process is

A

ethalpy of fussion

B

enthalpy of vaporisation

C

enthalpy of sublimation

D

surroundings

Text Solution

Verified by Experts

The correct Answer is:
A
The heat for the process is supplied by the enthalpy of fusion of ice
Promotional Banner

Topper's Solved these Questions

  • STATE OF MATTER (GASEOUS AND LIQUID STATE)

    DINESH PUBLICATION|Exercise Assertion Reason|20 Videos

  • S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )

    DINESH PUBLICATION|Exercise Assertion reason|12 Videos

  • STATES OF MATTER (SOLID STATE CHEMISTRY)

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|21 Videos

Similar Questions

Explore conceptually related problems

When the temperature of water rises, the rate of evaporation

When a gas is suddenly compressed, its temperature rises. Why?

420 J of energy supplied to 10g of water will rises its temperature by

When a thermos flask with some water in it is vigorously shaken. Does its temperature rise. Has some heat added to water during the process.

When 60 calories of heat are supplied to 15 g of water, the rise in temperature 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

Hard steel is heated to high temperature and then suddenly cooled in oil. The process is known as

DINESH PUBLICATION-STATE OF MATTER (GASEOUS AND LIQUID STATE)-Ulitmate Preparatory package
  1. If atomic mass of hydrogen on a hypothetical scale is choosen to be 10...

    Text Solution

    |

  2. Vapour density

    Text Solution

    |

  3. Unit of vapour density is

    Text Solution

    |

  4. The gas or vapour heavier than air is

    Text Solution

    |

  5. Under what conditions will a pure sample of an ideal gas not only exhi...

    Text Solution

    |

  6. The root mean square speed of the molecules of a diatomic gas is v. Wh...

    Text Solution

    |

  7. The R.M.S. Speed of the molecules of a gas of density kg m^(-3) and p...

    Text Solution

    |

  8. At a temperature T, K, the pressure of 4.0 gm argon in a bulb is P. Th...

    Text Solution

    |

  9. One mole each of a monoatomic, diatomic and triatomic gases are mixed ...

    Text Solution

    |

  10. One mole of an ideal monoatomic gas is mixed with 1 mole of an ideal d...

    Text Solution

    |

  11. A spark plug is not necessary in a diesel engine because

    Text Solution

    |

  12. CO(2) at 600 bar and a temperature above T(c) (T(c) = 304.15 K) is cal...

    Text Solution

    |

  13. I, II and III are three isotherms, respectively at T(1), T(2) and T(3)...

    Text Solution

    |

  14. Compressibility factor for H(2) behaving as real gas is:

    Text Solution

    |

  15. If bar(V) is the observed molor volume of real gas and bar(V)(id) is t...

    Text Solution

    |

  16. Vapour pressure of a pure liquid does not depend upon

    Text Solution

    |

  17. When super cooled freezes, its temperature suddenly rises, the Delta H...

    Text Solution

    |

  18. Two bubbles of different radii are connected by a hollow tube, then

    Text Solution

    |

  19. When 1 mole of super cooled water freezes, its temperature suddenly ri...

    Text Solution

    |

  20. Two identical fully insulated flasks X and Y contain the following F...

    Text Solution

    |