Home
Class 12
CHEMISTRY
The standard enthalpy or the decompositi...

The standard enthalpy or the decomposition of `N_2 O_5 `to `NO_2` is 58.04 kJ and standard entropy of this reaction is 176.7 J/K. The standard free energy change for this reaction at `25^@`C is_____________.

A

539 kJ

B

`-539 kJ`

C

`-5.39 kJ`

D

`5.39 kJ`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise Critical Thinking (Objective Questions)|63 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise JEE section (Only one correct answer)|42 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS |Exercise ORDINARY THINKING (Objective Questions) Bond energy|15 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS |Exercise JEE Section (Matrix Match type questions)|3 Videos

Similar Questions

Explore conceptually related problems

The equilibrium constant of a reaction is 1xx10^(20) at 300 K . The standard free energy change for this reaction is :

If equilibrium constant for a reaction is K, then standard free energy change is :

The equilibrium constant of a reaction is 73. Calculate standard free energy change.

The equilibrium constant of a reaction is 0.008 at 298 K . The standard free energy change of the reaction at the same temperture is

If the equilibrium constant of a reaction is 2×10^3 at 25°C then the standard Gibbs free energy change for the reaction will be

Standard enthalpy and standard entropy change for the oxidation of NH_(3) at 298K are -382.64KJ mol^(-1) and 145.6Jmol^(-1) respectively. Standard free energy change for the same reaction at 298K is

ERRORLESS -THERMODYNAMICS AND THERMOCHEMISTRY -ORDINARY THINKING (Objective Questions) Free energy and Work function
  1. The occurrence of a reaction of impossible if

    Text Solution

    |

  2. Equilibrium constant of a reaction is related to

    Text Solution

    |

  3. The standard enthalpy or the decomposition of N2 O5 to NO2 is 58.04 kJ...

    Text Solution

    |

  4. For the equilibrium H(2)O(l) iff H(2)O(g) at 1 atm and 298 K

    Text Solution

    |

  5. For a chemical reaction, DeltaG will always be negative if,

    Text Solution

    |

  6. For a spontaneous chemical process, the free energy change is

    Text Solution

    |

  7. For a reaction at 25^(@)C, enthalpy and entropy change are -11.7xx10^(...

    Text Solution

    |

  8. For the percipitation reaction of Ag^(o+) ions with NaCI, which of the...

    Text Solution

    |

  9. The relation between DeltaE and DeltaH is

    Text Solution

    |

  10. The free energy change for the following reactions are given below C...

    Text Solution

    |

  11. The correct relation between equilibrium constant (K), standard free e...

    Text Solution

    |

  12. Consider the following reaction at 1000^(@)C (A) Zn((s))+(1)/(2)O(2(...

    Text Solution

    |

  13. At the sublimation temperature, for the process CO(2)(S)toCO(2)(g)

    Text Solution

    |

  14. A chemical reaction is spontancous at 298 K but non spontaneous at 350...

    Text Solution

    |

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

    Text Solution

    |

  16. In which of the following conditions a chemical reaction can not occur

    Text Solution

    |

  17. For the reaction at 298K, A((g))+B((g))rarrC((g)) DeltaE=-5 cal and...

    Text Solution

    |

  18. What is the free energy change (DeltaG) when 1.0 "mole" of water at 10...

    Text Solution

    |

  19. The standard Gibb's free energy change, DeltaG^(@) is related to equil...

    Text Solution

    |

  20. The relation DeltaG=DeltaH-TDeltaS was given by

    Text Solution

    |