Home
Class 11
CHEMISTRY
The reaction of cyanamide (s), with diox...

The reaction of cyanamide (s), with dioxygen was carried out in a bomb calorimeter and `DeltaU` was found to be `-742.7` kJ `mol^(-1)` at 298 K. Calculate the enthalpy change for the reaction at 298 K.
`NH_(2)CN_((g))+(3)/(2)O_(2)(g)toN_(2(g))+CO_(2(g))+H_(2)O_(l)`

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise Long Answer Questions|4 Videos

  • THE S-BLOCK ELEMENTS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise LONG ANSWER QUESTIONS |12 Videos

Similar Questions

Explore conceptually related problems

For the reaction CO_((g)) + (1)/(2) O_(2(g)), K_(1)//K_(c) is

Enthalpy of ammonia and water are -46.19KJ.mol^(-1) and -285.9KJ.mol^(-1) . Calculate AH for the reaction, 4NH_(3)(g)+3O_(2)(g)to 2N_(2)(g)+6H_(2)O(l) .

If DeltaH_(f)^(0) " for" H_(2)O_(2(l)) and H_(2)O_((l)) " are " -188 kJ mol^(-1) and -286 kJ mol^(-1) , what will be the enthalpy change of the reaction 2H_(2)O_(2(l)) rarr 2H_(2)O_((l)) + O_(2(g)) = ?

If the standard molar enthalpy of formation of SO _(2 (g)) and SO _(3(g)) is - 296 . 82 kJ mol ^(-1) and -395 . 72 kJ mol ^(-1) respectively, then enthalpy change for the reaction in kJ mol ^(-1) , SO _(2 (g)) + (1)/(2) O _(2 (g)) to SO _(3(g)) , is

The enthalpy of formation of N_2O_((g)) and NO_((g)) are 82.0 KJ and 90 KJmol^(-1) respectively. The enthalpy of the reaction 2N_2O_((g)) + O_(2(g)) rarr 4NO_((g)) is

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-THERMODYNAMICS-Important Questions
  1. Define heat capacity. What are C(p) and C(v)? Show that C(p)-C(v)=R.

    Text Solution

    |

  2. Explain the determination of DeltaU of a reaction calorimetrically.

    Text Solution

    |

  3. Explain the determination of DeltaH of a reaction calorimetrically:

    Text Solution

    |

  4. What is enthalpy of a reaction? Explain the standard enthalpy of a rea...

    Text Solution

    |

  5. What is the standard enthalpy of formation? Explain it with example.

    Text Solution

    |

  6. Define and explain the enthalpy of combustion (Delta(c)H^(theta)).

    Text Solution

    |

  7. Define and explain the bond enthalpy (Delta("bond")H^(theta)).

    Text Solution

    |

  8. What is the bond enthalpy of C-H bond of CH(4)?

    Text Solution

    |

  9. Define ionisation enthalpy and electron affinity.

    Text Solution

    |

  10. Explain the spontaneity of a process.

    Text Solution

    |

  11. What is entropy? Explain with examples.

    Text Solution

    |

  12. Which formulate in the following are correct? a) G=H-TS b) DeltaG(...

    Text Solution

    |

  13. State the third law of thermodynamics.

    Text Solution

    |

  14. Explain the mole concept.

    Text Solution

    |

  15. Explain spontaneity of a process in terms of Gibbs energy.

    Text Solution

    |

  16. The reaction of cyanamide (s), with dioxygen was carried out in a bomb...

    Text Solution

    |

  17. For an isolated system , DeltaU=0 what will be DeltaS?

    Text Solution

    |

  18. The equilibrium constant for a reaction is 10. What will be the value ...

    Text Solution

    |

  19. State the second law of thermodynamics in any two ways.

    Text Solution

    |

  20. Explain Gibbs energy, enthalpy, entropy.

    Text Solution

    |