Home
Class 12
CHEMISTRY
Define: (i) Enthalpy of fusion, (ii) Ent...

Define: (i) Enthalpy of fusion, (ii) Enthalpy of vaporisation, (iii) Enthalpy of sublimation.

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)|26 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)|35 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Practice Set 6|15 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos

Similar Questions

Explore conceptually related problems

Enthalpy is

Define (i) Entropy of fusion (ii) Entropy of vaporisation (iii) Standard molar entropy of a substance.

Define enthalpy of transition.

What is enthalpy of a system?

Discuss the characteristic properties of the transition elements with special reference to : (i) enthalpy of atomisation, (ii) variable oxidation state, (iii) formation of complex compounds, (iv) formation of coloured ions.

(i) What is the difference betweenn the enthalpy of formation and the enthalpy of reaction? Explain with proper explain. (ii) what do you understand by the standard state of liquid benzene at 25^(@)C ?

Define the following terms: (i) Standard enthalpy of atomisation of an element (ii) Bond dissociation energy (iii) bond enthalpy.

Which of the following is (are) not a state function? (i) Enthalpy (ii) Heat capacity (iii) Heat (iv) Work done.

Among the enthalpy of solution and enthalpy of hydration .which is always an exothermic process?

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. The standard enthalpy of combustion of C(x)H(y)(l) at 25^(@)C is Q kJ*...

    Text Solution

    |

  2. The standard heats of combustion of CH(4)(g) and C(2)H(6)(g) are -890k...

    Text Solution

    |

  3. Define: (i) Enthalpy of fusion, (ii) Enthalpy of vaporisation, (iii) E...

    Text Solution

    |

  4. Identify whether the enthalpy of the initial state is greater than, le...

    Text Solution

    |

  5. At a given temperature and pressure, the enthalpies of condensation an...

    Text Solution

    |

  6. Why are the changes in enthalpies for the given processes the same? (i...

    Text Solution

    |

  7. What does DeltaH signify in each of the following equations? (i) HCl...

    Text Solution

    |

  8. Change in enthalpy remains the same whether a reaction is carried out ...

    Text Solution

    |

  9. Given (at 25^(@)C and 1 atm pressure): C(s, diamond)+O(2)(g)toCO(2)(...

    Text Solution

    |

  10. Consider the given enthalpy diagram, and calculate the unknown DeltaH ...

    Text Solution

    |

  11. For the reaction, A+B to D, DeltaH is -30 kJ. Suppose, D is prepared f...

    Text Solution

    |

  12. At 25^(@)C if the standard enthalpies of formation of MX(s), M^(+)(aq)...

    Text Solution

    |

  13. Draw the Born-Haber cycle for the formation of LiF(s) from its element...

    Text Solution

    |

  14. Define the following terms: (i) Standard enthalpy of atomisation of an...

    Text Solution

    |

  15. The standard heat of sublimation of sodium metal is 108.4kJ*mol^(-1). ...

    Text Solution

    |

  16. At 25^(@)C, the bond dissociation energy of N(2)(g) is 946 kJ*mol^(-1)...

    Text Solution

    |

  17. A-B bonds present in AB(3)(g) molecule undergo stewise dissociation by...

    Text Solution

    |

  18. Will the transformation of ice into water be spontaneous at -2^(@)C an...

    Text Solution

    |

  19. Water remains in equilibrium with its vapour at 100^(@)C and 1 atm. Wi...

    Text Solution

    |

  20. Is rusting of iron a spontaneous process?

    Text Solution

    |