Home
Class 12
CHEMISTRY
Consider the reaction : N(2)+3H(2)to2NH(...

Consider the reaction : `N_(2)+3H_(2)to2NH_(3)` carried out at constant temperature and pressure. If `DeltaHandDeltaU` are the enthalpy and internal energy changes for the reaction, which of the following expressions is true ?

A

`DeltaH=DeltaU`

B

`DeltaHgtDeltaU`

C

`DeltaHltDeltaU`

D

`DeltaH=0`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|19 Videos

  • THERMODYNAMICS

    MOTION|Exercise EXERCISE - 3|46 Videos

  • THERMOCHEMISTRY

    MOTION|Exercise Exercise - 4 Level-II|8 Videos

Similar Questions

Explore conceptually related problems

Consider the reaction, N_(2) + 3H_(2) rarr 2NH_(3) carried out at constant temperature and pressure. If Delta H and Delta U are the enthalpy and internal energy changes for the reaction, which of the following expressions is true?

Consider the reaction, N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g) , carried out at constant temperature and pressure. If Delta H and Delta U are enthalpy change and internal energy change respectively, which of the following expressions is true ?

For the reaction N_(2) + 3 H_(2) = 2 NH_(3) ,

Consider the reaction, N_(2)+3H_(2)hArr 2NH_(3) carried out at constant pressure and temperature. If DeltaH and DeltaU are change in enthalpy and change in internal energy respectively, then :

Consider the reaction: N_(2) + 3H_(2) hArr 2NH_(3) carried out at constant pressure and temperature. If DeltaH and DeltaU are change in enthalpy and change in internal energy respectively, then:

MOTION-THERMODYNAMICS-EXERCISE - 4 (LEVEL - I)
  1. Which of the following is incorrect regarding the first law of thermod...

    Text Solution

    |

  2. Consider the reaction : N(2)+3H(2)to2NH(3) carried out at constant tem...

    Text Solution

    |

  3. The work of 146 kJ is performed in order to compress one kilo mole of ...

    Text Solution

    |

  4. An ideal gas is allowed to expand both reversibly and irreversibly in ...

    Text Solution

    |

  5. (DeltaH-DeltaU) for the formation of carbon monoxide (CO) from its ele...

    Text Solution

    |

  6. A Carnot engine, having an efficiency of eta=1//10 as heat engine, is ...

    Text Solution

    |

  7. In conversion of lime-stone to lime, CaCO(3)(s)toCaO(s)+CO(2)(g) the v...

    Text Solution

    |

  8. Assuming that water vapour is an ideal gas, the internal energy change...

    Text Solution

    |

  9. Identify the correct statement regarding a spontaneous process -

    Text Solution

    |

  10. Standard entropy of X(2),Y(2)andXY(3) are 60, 40 and 50 JK^(-1)mol^(-1...

    Text Solution

    |

  11. In a fuel cell methanol is used as fuel and oxygen gas is used as an o...

    Text Solution

    |

  12. A diatomic ideal gas is used in a Carnot engine as the working substan...

    Text Solution

    |

  13. For a particular reversible reaction at temperature T, DeltaHandDeltaS...

    Text Solution

    |

  14. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |

  15. In view of the signs of Delta(r)G^(@) for the following reactions : ...

    Text Solution

    |

  16. The incorrect expression among the following is -

    Text Solution

    |

  17. A piston filled with 0.04 mol of an ideal gas expands reversibly from ...

    Text Solution

    |

  18. The following reaction is performed at 298 K ? 2NO(g)+O(2)(g)hArr2NO...

    Text Solution

    |

  19. The heats of combustion of carbon and carbon monoxide are -393.5and-28...

    Text Solution

    |

  20. DeltaU is equal to:

    Text Solution

    |