Home
Class 11
CHEMISTRY
For the reaction N(2)(g) + 3H(2)(g) hA...

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

A

`DeltaE+2RT`

B

`DeltaE-2RT`

C

`DeltaE+RT`

D

`DeltaE-RT`

Text Solution

Verified by Experts

The correct Answer is:
D
`Delta H = Delta E + Delta n_(g) RT`
`Delta n_(g) = 2 - u = -2`
So, `Delta H = Delta E + (-2RT)`
`= Delta E - 2RT`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Entropy, Gibb'S Energy And Spontaneity Of Process|52 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Heat Capacity And Calorimetry|13 Videos

  • CHEMICAL THERMODYNAMICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • CHEMICAL EQUILIBRIUM

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY OF PROPERTIES

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

For the reaction N_(2)(g) + 3H_(2)(g) rarr 2NH_(3)(g) , DeltaH = -93.6 KJ mol^(-1) the formation of NH_(3) is expected to increase at :

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 …………

For the reaction N_(2) (g) + 3 H_(2) (g) hArr 2 NH_(3) (g) " at " 400 K , K_(p) = 41 Find the value of K_(p) for the following reaction : 1/2 N_(2) (g) + 3/2 H_(2) hArr NH_(3) (g)

A2Z-CHEMICAL THERMODYNAMICS-Work, Internal Energy And Enthalpy
  1. In the reaction CO(2)(g)+H(2)(g)rarrCO(g)+H(2)O(g), DeltaH=2.8 kJ ...

    Text Solution

    |

  2. For the reaction A(g)+2B(g)rarr2C(g)+3D(g), the value of DeltaH at...

    Text Solution

    |

  3. For the reaction N(2)(g) + 3H(2)(g) hArr 2NH(3)(g), DeltaH=?

    Text Solution

    |

  4. If C(s)+O(2)(g)rarrCO(2)(g),DeltaH=X and CO(g)+1//2O(2)(g)rarrCO(2)(g)...

    Text Solution

    |

  5. Heat of solution of BaCl(2).2H(2)O=200 kJ mol^(-1) Heat of hydration...

    Text Solution

    |

  6. The mutual heat of neutralisation of 40 g NaOH and 60CH(3)COOH will be

    Text Solution

    |

  7. DeltaH(comb)^(@) of carbon is -x kJ mol^(-1). The standard formation o...

    Text Solution

    |

  8. The heat of combustion of carbon is 394 kJ. The heat evolved in combus...

    Text Solution

    |

  9. Heat of neutralisation of a strong acid by a strong base is equal to D...

    Text Solution

    |

  10. Heat of neutralisation is least when

    Text Solution

    |

  11. The standard heat of formation of U(3)O(8) is -853.5 kcl//mol and the ...

    Text Solution

    |

  12. Given N(2)(g)+3H(g)=2NH(3)(g),DeltaH^(@)=22 kcal. The standard enthalp...

    Text Solution

    |

  13. DeltaH for CaCO(3)(s)rarrCaO(s)+CO(2)(g) is 176 kJ mol^(-1) at 1240 K....

    Text Solution

    |

  14. C("diamond")+O(2)(g)rarrCO(2)(g),DeltaH=-395 kJ ......(i) C("graphit...

    Text Solution

    |

  15. Given that O(g)+e^(-)rarrO^(-)(g) , DeltaH=34Kcal mol^(-1) O(g)+2e...

    Text Solution

    |

  16. The enthalpies of combustion of carbon and carbon momoxide are -390KJ ...

    Text Solution

    |

  17. 2.1g of Fe combines with S evoling 3.77KJ . The heat oof formation of...

    Text Solution

    |

  18. The standard heat of combustion of propane is -2220.1KJ mol^(-1) . The...

    Text Solution

    |

  19. The standard heat of combustion of solid boron is equal to

    Text Solution

    |

  20. If H^(+)+OH^(-)rarrH(2)O+13.7Kcal , the heat of neutralisation for com...

    Text Solution

    |