Home
Class 12
CHEMISTRY
Identify the correct statement for chang...

Identify the correct statement for change of Gibbs free energy for a system `(DeltaG_("system"))` at constant temperature and pressure.

A

If `(triangleG_("system")) lt 0`, the process is not spontaneous

B

If `(triangleG_("system"))gt 0`, the process is spontaneous

C

If `(triangleG_("system"))=0`, the system has attained equillibrium

D

If `(triangleG_("system"))=0` the system is still moving in a particular direction

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Efficient|48 Videos
  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Impeccable|48 Videos
  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Impeccable|48 Videos
  • THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|44 Videos

Similar Questions

Explore conceptually related problems

Identify the correct statement for change of Gibbs energy for a system (DeltaG_(system)) at constant temperature and pressure:

Identify the correct statement for change of Gibbs energy for a system (Delta_(sys)G) at constant temperature and pressure:

Identify the correct statement regarding lymphatic system.

Choose the correct statement for an isolated system.

Identify the correct statement with reference to human digestive system

The change in Gibbs free energy of the system along provides a criterion for the spontaneity of a process at constant temperature and pressure. A change in the free energy of a sytem at constant temperature and pressure will be: DeltaG_("system") = DeltaH_("system") - T DeltaS_("system") For a spontaneous reaction DeltaG , equilibrium constant K and E_("cell")^(0) will be respectively:

The change in Gibbs free energy of the system along provides a criterion for the spontaneity of a process at constant temperature and pressure. A change in the free energy of a sytem at constant temperature and pressure will be: DeltaG_("system") = DeltaH_("system") - T DeltaS_("system") The free energy for a reaction having Delta H= 31400 cal, DeltaS= 32 cal K^(-1) mol^(-1) at 1000^(@)C is

In a spontaneous reaction, the free energy of a system :

Predict the change in internal energy for an isolated system at constant volume.

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). Br A : For every chemical reaction at equilibrium, the value of standard Gibbs free energy change is zero. R: At constant temperature and pressure for a reaction that direction is preferred for which Gibbs free energy increases.

VMC MODULES ENGLISH-THERMODYNAMICS & THERMOCHEMISTRY-Enable
  1. Consider the following reactions : (a) H((aq))^(+)+OH((aq))^(-)=H(2...

    Text Solution

    |

  2. Given that bond energies of H–H and Cl–Cl are 430 kJ mol^(-1) and 240...

    Text Solution

    |

  3. Identify the correct statement for change of Gibbs free energy for a s...

    Text Solution

    |

  4. The enthalpy and entropy change for the reaction, Br(2)(l)+Cl(2)(g)r...

    Text Solution

    |

  5. Which of the following pairs of a chemical reaction is certain to resu...

    Text Solution

    |

  6. A reaction occurs spontaneouly if

    Text Solution

    |

  7. Standard enthalpy and standard entropy changes for the oxidation of am...

    Text Solution

    |

  8. Considering entropy (S) as a thermodynamic parameter, the criterion fo...

    Text Solution

    |

  9. For which one of the following equations DeltaH(r)^(@) equal to DeltaH...

    Text Solution

    |

  10. In an irreversible process taking place at constant T and P and in whi...

    Text Solution

    |

  11. The internal energy change when a system goes fromk state A to B is 40...

    Text Solution

    |

  12. If a 298K the bond energies of C-H,C-C,C=C and H-H bonds are respectiv...

    Text Solution

    |

  13. In a closed insulated container a liquid is stirred with a paddle to i...

    Text Solution

    |

  14. When 1 mole gas is heated at constant volume, temperature is raised fr...

    Text Solution

    |

  15. A gas occupies 2 litre at STP. It is provided 300 joule heat so that i...

    Text Solution

    |

  16. In order to decompose 9 grams of water 142.5 KJ heat is required. Henc...

    Text Solution

    |

  17. 2Zn + O(2) to 2Zn O Delta G^(@) = - 616 J 2Zn + S(2) to 2 Zn S ...

    Text Solution

    |

  18. Entropy change involve in conversation of 1mole of liquid water at 373...

    Text Solution

    |

  19. Heat of neutralization of strong acid against strong base is constant ...

    Text Solution

    |

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

    Text Solution

    |