Home
Class 11
CHEMISTRY
Determine standard free energy DeltaG^@"...

Determine standard free energy `DeltaG^@" at " 25^@C` for the reaction
`N_2(g) + 3H_2(g) hArr 2NH_3(g)`
Given: `DeltaH^@ = -91.8 kJ , DeltaS^@ = - 198 J K^(-1)`

Text Solution

AI Generated Solution

To determine the standard free energy change (ΔG°) at 25°C for the reaction: \[ N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g) \] given that: - ΔH° = -91.8 kJ - ΔS° = -198 J/K ...
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise REVIEW EXERCISES (Fill in the blanks )|6 Videos

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise VERY SHORT ANSWER TYPE QUESTIONS |56 Videos

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise NCERT TEXT-BOOK. EXERCISES|22 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    ICSE|Exercise NCERT TEXT-BOOK EXERCISES ( WITH HINTS AND SOLUTIONS)|47 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ICSE|Exercise NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)|63 Videos

Similar Questions

Explore conceptually related problems

For the reaction N_(2)(g) + 3H_(2)(g) hArr 2NH_(3)(g), DeltaH=?

For the reaction, N_2[g] + 3H_2[g] hArr 2NH_3[g] , Delta H = …

For the reactions, N_2(g) + 3H_2(g) hArr 2NH_3(g), " " K_p=K_c (RT)^(…..)

For the reaction : N_(2(g))+3H_(2(g))hArr2NH_(3(g)) , DeltaH=-ve , the correct statement is :

Write the relation between K_(p) " and " K_(c) for the reaction: N_(2)(g) +3H_(2) (g) hArr 2NH_(3)(g)

For the reaction, N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g) , the units of K_(p) are …………

K_p is how many times equal to K_c for the given reaction ? N_2(g) +3H_2 (g) hArr 2NH_3(g)

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) .

The enthalpy change (Delta H) for the reaction N_(2) (g)+3H_(2)(g) rarr 2NH_(3)(g) is -92.38 kJ at 298 K . What is Delta U at 298 K ?

At constant pressure , addition of helium to the reaction system : N_2(g)+3H_3(g)hArr2NH_3(g)

ICSE-CHEMICAL THERMODYNAMICS -REVIEW EXERCISES
  1. Calculate the entropy change when 20.0 g of ice changes to liquid wate...

    Text Solution

    |

  2. From the following values of DeltaH and DeltaS, decide whether or not ...

    Text Solution

    |

  3. Determine standard free energy DeltaG^@" at " 25^@C for the reaction ...

    Text Solution

    |

  4. For a hypothetical reaction nX to mY, the value of DeltaH =-133 kJ and...

    Text Solution

    |

  5. For a hypothetical reaction nX to mY, the value of DeltaH =-133 kJ and...

    Text Solution

    |

  6. Compute the standard free energy of the reaction at 27^@C for the com...

    Text Solution

    |

  7. The reaction CH3COOH(l) + C2H5OH(l) hArr CH3 COOC2H5(l) + H2O (l) ...

    Text Solution

    |

  8. A system loses 120 ) of heat and does 80 J of work. Calculate the chan...

    Text Solution

    |

  9. Calculate the enthalpy change for the reaction CH2 = CH2(g) + H2(g0 ...

    Text Solution

    |

  10. Sort out the exothermic and endothermic reactions among the following:...

    Text Solution

    |

  11. Calculate the standard enthalpy change for the reaction CH4 (g) + ...

    Text Solution

    |

  12. Calculate the standard heat of formation of propane if its heat of com...

    Text Solution

    |

  13. When 14.9 g of solid KCl is dissolved in large excess of water, the am...

    Text Solution

    |

  14. what is entropy change for reaction 2H2(g) + O2 (g) -----?2H2O(l). Sta...

    Text Solution

    |

  15. Calculate the amount of heat liberated when 500 cm^3 " of " N/10 H2SO4...

    Text Solution

    |

  16. The standard molar heat of formation of ethane, carbon dioxide and wat...

    Text Solution

    |

  17. The Delta H^@ for the reaction H2(g) + I2(g) to 2HI(g) is +53.6 ...

    Text Solution

    |

  18. The heat of combustion of butane is 2658 kl. A cylinder of LPG gas (co...

    Text Solution

    |

  19. The calorific value of milk is 3.2 kJ g^(-1). A child needs about 4000...

    Text Solution

    |

  20. Sucrose undergoes combustion as C12 H22 O11 + 12 O2(g) to 12CO2(g)...

    Text Solution

    |