Home
Class 11
CHEMISTRY
Calculate the standard free energy chang...

Calculate the standard free energy change for the reaction:
`H_(2)(g) +I_(2)(g) rarr 2HI(g), DeltaH^(Theta) = 51.9 kJ mol^(-1)`
Given: `S^(Theta) (H_(2)) = 130.6 J K^(-1) mol^(-1)`,
`S^(Theta) (I_(2)) = 116.7 J K^(-1) mol^(-1)`
and `S^(Theta) (HI) = 206.8 J K^(-1) mol^(-1)`.

Text Solution

AI Generated Solution

To calculate the standard free energy change (ΔG) for the reaction: \[ H_2(g) + I_2(g) \rightarrow 2HI(g) \] Given data: - ΔH° = 51.9 kJ/mol - S°(H₂) = 130.6 J/K·mol - S°(I₂) = 116.7 J/K·mol ...
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Paragraph for Problem|1 Videos
  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Linked Comprehension)|74 Videos
  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Ex 6.5|30 Videos
  • STOICHIOMETRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|33 Videos

Similar Questions

Explore conceptually related problems

Calculate the standard free energy change for the following reaction at 27^@C . H_2(g) + I_2(g) to 2HI(g) , DeltaH^@ = + 51.9 kJ [Given : DeltaS_(H_2)^@ = 130.6 JK^(-1) mol^(-1) DeltaS_(I_2)^@ = 116.7 JK^(-1) mol^(-1) DeltaS_(HI)^@ = 206.3 JK^(-1) mol^(-1)] . Predict whether the reaction is feasible at 27°C or not.

Calculate the entropy change for the following reaction H_(2)(g) +CI_(2)(g) rarr 2HCI (g) at 298 K Given S^(Theta)H_(2) = 131 J K^(-1) mol^(-1), S^(Theta)CI_(2) = 233 J K^(-1) mol^(-1) , and S^(Theta) HCI = 187 J K^(-1) mol^(-1)

Calculate the entropy change for the following reaction H_(2)(g) +CI_(2)(g) rarr 2HCI (g) at 298 K Given S^(Theta)H_(2) = 131 J K^(-1) mol^(-1), S^(Theta)CI_(2) = 233 J K^(-1) mol^(-1) , and S^(Theta) HCI = 187 J K^(-1) mol^(-1)

Calculate DeltaG^(Theta) for the following reaction: CO(g) +((1)/(2))O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 282.84 kJ Given, S_(CO_(2))^(Theta)=213.8 J K^(-1) mol^(-1), S_(CO(g))^(Theta)= 197.9 J K^(-1) mol^(-1), S_(O_(2))^(Theta)=205.0 J K^(-1)mol^(-1) ,

Calculate DeltaG^(Theta) for the following reaction at 298K: CO(g) +((1)/(2))O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 282.84 kJ Given, S_(CO_(2))^(Theta)=213.8 J K^(-1) mol^(-1), S_(CO(g))^(Theta)= 197.9 J K^(-1) mol^(-1), S_(O_(2))^(Theta)=205.0 J K^(-1)mol^(-1) ,

Calculate the change in entropy for the following reaction 2CO(g) +O_(2)(g) rarr 2CO_(2)(g) Given: S_(CO)^(Theta)(g)=197.6 J K^(-1)mol^(-1) S_(O_(2))^(Theta)(g)=205.03 J K^(-1)mol^(-1) S_(CO_(2))^(Theta)(g)=213.6 J K^(-1)mol^(-1)

Calculate the free energy change for the following reaction at 300 K. 2CuO_((s)) rarr Cu_(2)O_((s))+(1)/(2)O_(2(g)) Given Delta H = 145.6 kJ mol^(-1) and Delta S = 116.JK^(-1) mol^(-1)

Calculate the entropy of Br_(2)(g) in the reaction H_(2)(g)+Br_(2)(g)rarr2HBr(g), Delta S^(@)=20.1 JK^(-1) given, entropy of H_(2) and HBr is 130.6 and 198.5 J mol^(-1)K^(-1) :-

Calculate equilibrium constant for the reaction: 2SO_(2)(g) +O_(2)(g) hArr 2SO_(3)(g) at 25^(@)C Given: Delta_(f)G^(Theta) SO_(3)(g) = - 371.1 kJ mol^(-1) , Delta_(f)G^(Theta)SO_(2)(g) =- 300.2 kJ mol^(-1) and R = 8.31 J K^(-1) mol^(-1)

Consider the reaction: 4NH_(3)(g) +5O_(2)(g) rarr 4NO(g) +6H_(2)O(l) DeltaG^(Theta) =- 1010.5 kJ Calculate Delta_(f)G^(Theta) [NO(g)] if Delta_(f)G^(Theta) (NH_(3)) = -16.6 kJ mol^(-1) and Delta_(f)G^(Theta) [H_(2)O(l)] =- 237.2 kJ mol^(-1) .

CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (Subjective)
  1. Calculate the resonance enegry of NO(2) ( :O-N=O: ) The measured ent...

    Text Solution

    |

  2. Boiling point of an organic compound is 310K. Its enthalpy of vaporisa...

    Text Solution

    |

  3. Predict whether the following reaction is possible or not at 300k. 2...

    Text Solution

    |

  4. Calculate the standard free energy change for the reaction: H(2)(g)...

    Text Solution

    |

  5. Calculate the entropy change for the following reaction H(2)(g) +CI(...

    Text Solution

    |

  6. Heat of neutralisation between HCI and NaOH is 13.7kcal and between HC...

    Text Solution

    |

  7. Find the heat of formation of ethyl alcohol for following data C(s) ...

    Text Solution

    |

  8. Enthalpy of neutralisation of acetic acid by NaOH is -50.6 kJ mol^(-1)...

    Text Solution

    |

  9. The enthalpies of combustion of carbon and carbon monoxide in excess o...

    Text Solution

    |

  10. Calculate the DeltaH^(Theta) for the reduction of Fe(2)O(3)(s) by AI(s...

    Text Solution

    |

  11. Find DeltaH of the following reaction: OF(2)(g) +H(2)O(g) rarr O(2)(...

    Text Solution

    |

  12. The heat of formation of ethane is -19.46 kcal. Bond enegries of H-H, ...

    Text Solution

    |

  13. Find the electron affinity of chlorine from the following data. Enthal...

    Text Solution

    |

  14. When 10g of AI is used for reduction in each of the following alumino ...

    Text Solution

    |

  15. The heat of combustion at constant volume at 27^(@)C of benzene and ac...

    Text Solution

    |

  16. Calculate Delta(f)H^(Theta) ICI(g) from the data DeltaH dissociatio...

    Text Solution

    |

  17. Calculate heat of dissociation for acetic acid from the following data...

    Text Solution

    |

  18. Delta(f)H^(Theta) per mole of NH(3)(g). NO(g), and H(2)O(l) are -11.04...

    Text Solution

    |

  19. From the following data, calculate the standard enthalpy of formation ...

    Text Solution

    |

  20. CsOH +HCI rarr CsCI +H(2)O, DeltaH =- 13.4 kcal mol^(-1)……….(i) CsOH...

    Text Solution

    |