Home
Class 11
CHEMISTRY
Equilibrium constant for the reaction: ...

Equilibrium constant for the reaction:
`H_(2)(g) +I_(2) (g) hArr 2HI(g) is K_(c) = 50 at 25^(@)C`
The standard Gibbs free enegry change for the reaction will be:

A

`-6.964 kJ`

B

`-9.694 kJ`

C

`-4.964 kJ `

D

`-6.496 kJ`

Text Solution

Verified by Experts

`DeltaG^(Theta) =- 2.303 RT logK_(c)`
`=- 2.303 xx 8.314 xx 298 log = 50`
`=-9.694 kJ`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    CENGAGE CHEMISTRY|Exercise Ex 6.1|26 Videos

  • THERMODYNAMICS

    CENGAGE CHEMISTRY|Exercise Ex 6.2|27 Videos

  • STOICHIOMETRY

    CENGAGE CHEMISTRY|Exercise Archives Subjective|33 Videos

Similar Questions

Explore conceptually related problems

The equilibrium constant K_(p) for the reaction H_(2)(g)+I_(2)(g) hArr 2HI(g) changes if:

The value of equilibrium constant for the reaction H_(2)(g)+ I_(2) (g) hArr 2HI (g) is 48 at 720 K What is the value of the equilibrium constant for the reaction 2HI (g) hArr H_(2) (g) + I_(2) (g)

The value of the equilibrium constant for the reaction : H_(2) (g) +I_(2) (g) hArr 2HI (g) at 720 K is 48. What is the value of the equilibrium constant for the reaction : 1//2 H_(2)(g) + 1//2I_(2)(g) hArr HI (g)

For reaction H_(2)(g) +I_(2)(g) hArr 2HI (g) The value of K_(p) changes with

(a)The value of equilibrium constant for the reaction: H_2(g) +I_2(g) hArr 2HI(g) is 48 at 270 K What is the value of equilibrium constant for the reaction : 1/2H_2(g) + 1/2I_2(g) hArr HI(g) (b) Write equilibrium constant (K_c) for the reaction Cu^(2+) (aq) + 2Ag(s) hArr Cu(s) + 2Ag^+ (aq)

For the reaction H_(2)(g)+I_(2)(g) hArr 2HI(g) , the rate of reaction is expressed as

For the reaction H_(2)(g) + I_(2) (g) hArr 2HI (g), the standard free energy is DeltaG^(Theta) gt 0. the equilibrium constant (k) would be.

For the reaction H_(2)(g) + I_(2)(g)hArr2HI(g)K_(c) = 66.9 at 350^(@)C and K_(c) = 50.0 at 448^(@)C . The reaction has

The value of the equilibrium constant for the reaction H_2(g) +I_2(g) hArr 2HI(g) at 720 K is 48 . What is the value of the equilibrium constant for the reaction. 1/2 H_2(g) +1/2 I_2(g) hArr HI(g)

CENGAGE CHEMISTRY-THERMODYNAMICS-Archives (Subjective)
  1. Equilibrium constant for the reaction: H(2)(g) +I(2) (g) hArr 2HI(g)...

    Text Solution

    |

  2. The enthalpies for the following reactions (DeltaH^(Theta)) at 25^(@)C...

    Text Solution

    |

  3. The standared enthalpies of formation at 298K for C C1(g), H(2)O(g), C...

    Text Solution

    |

  4. Given that: i. C(s) + O(2)(g) rarr CO(2)(g) , DeltaH =- 94.05 kcal ...

    Text Solution

    |

  5. The following statements is true only under some specific conditions. ...

    Text Solution

    |

  6. The bond dissociation energies of gaseous H(2),C1(2), and HC1 are 100,...

    Text Solution

    |

  7. The standard molar heats of formation of ethane, carbon dioxide, and l...

    Text Solution

    |

  8. An intimate mixture of ferric oxide and aluminium is used as solid fue...

    Text Solution

    |

  9. The standard ethelpy of combustion at 25^(@)C of hydrogen, cyclohexene...

    Text Solution

    |

  10. Using the data ( all vaues in kcal mol^(-1) at 25^(@)C) given below, c...

    Text Solution

    |

  11. Determine enthalpy change for, C(3)H(8(g))+H(2(g))rarr C(2)H(6(g))+C...

    Text Solution

    |

  12. Compute the heat of formation of liquie methyl alcohol is kilojoule pe...

    Text Solution

    |

  13. From the following data, calculate the enthalpy change for the combust...

    Text Solution

    |

  14. The standard heat of formation values of SF(6)(g), S(g), and F(g) are ...

    Text Solution

    |

  15. Show that the reaction CO(g) +(1//2)O(2)(g) rarr CO(2)(g) at 300K ...

    Text Solution

    |

  16. A sample of argon gas at 1atm pressure and 27^(@)C expands reversibly ...

    Text Solution

    |

  17. Diborane is a potential rocket fuel that undergoes combustion accordin...

    Text Solution

    |

  18. The standard potential of the following cell is 0.23V at 15^(@)C and 0...

    Text Solution

    |

  19. When 1pentyne (A) is treated with 4N alcoholic KOH at 175^(@)C, it is ...

    Text Solution

    |

  20. Two moles of a perfect gas undergo the following processes: a. A rev...

    Text Solution

    |

  21. C(v) values of He is always (3R)/(2) but C(v) values of H(2) is (3R)/(...

    Text Solution

    |