Home
Class 12
CHEMISTRY
The Gibbs free energy change of a reacti...

The Gibbs free energy change of a reaction at `27^(@)C` is -26 Kcal. and its entropy change is -60 Cals/K. `Delta H` for the reaction is :-

A

`-44` K. Cals.

B

`-18` K. Cals.

C

34 K. Cals.

D

`-24` K. Cals.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -3|108 Videos
  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -4|18 Videos
  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -1B|22 Videos
  • TEST PAPERS

    ALLEN|Exercise CHEMISTRY|19 Videos
  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|39 Videos

Similar Questions

Explore conceptually related problems

The free energy change due to a reaction is zero when

The free energy change the due to a reaction is zero when

The free energy change for a reversible reaction at equilibrium is

The free energy change for a reversible reaction at equilibrium is

The free energy change for a reversible reaction at equilibrium is:

The standard free energy change for a reaction is -213.3 KJ mol^(-1) "at" 25^(@)C . If the enthalpy change of the reaction is -217.77 KJ "mole"^(-1) . Calculate the magnitude of entropy change for the reaction in Joule "mole"^(-1)

ALLEN-THERMODYNAMICS -EXERCISE -2
  1. For the reaction Ag(2)O(s)rarr 2Ag(s)+1//2O(2)(g) the value of Delta H...

    Text Solution

    |

  2. For hypothetical reversible reaction 1//2A(2)(g) +3//2B(2)(g) rarr A...

    Text Solution

    |

  3. For the precipitation of AgCl by Ag^(+) ions and HCl

    Text Solution

    |

  4. What is the sign of Delta G for the process of ice melting at 283 K ?

    Text Solution

    |

  5. What is the free energy change, 'DeltaG' When 1.0 mole of water at 100...

    Text Solution

    |

  6. A reaction A +B rarr C+D +q is found to have a positive entropy change...

    Text Solution

    |

  7. Equilibrium constant of a reaction is elated to :

    Text Solution

    |

  8. The Vant Hoff equation is :

    Text Solution

    |

  9. If Delta G^(@)gt 0 for a reaction then :

    Text Solution

    |

  10. The equilibrium constant for a reaction is 10. What will be the value ...

    Text Solution

    |

  11. When the value of entropy is greater then the ability for useful work ...

    Text Solution

    |

  12. The process of evaporation of a liquid is accompanied by

    Text Solution

    |

  13. For the process CO(2(s)) rarr CO(2(g))

    Text Solution

    |

  14. Which of the following provide exceptions to third law of thermodynami...

    Text Solution

    |

  15. The Gibbs free energy change of a reaction at 27^(@)C is -26 Kcal. and...

    Text Solution

    |

  16. Which of the following reaction is expected never to be spontaneous :-

    Text Solution

    |

  17. The Joule. Thomson expansion of a gas is an

    Text Solution

    |

  18. In case of an ideal gas, Joule Thomson coefficient is -

    Text Solution

    |

  19. Above the inversion temperature, mu (J.T. coefficient)

    Text Solution

    |

  20. The inversion temperature for vander Waal's gas is

    Text Solution

    |