Home
Class 11
CHEMISTRY
Define enthalpy of combustion....

Define enthalpy of combustion.

Text Solution

Verified by Experts

The heat of combustion of a substance is defined as "The change in enthalpy of a system when one mole of the substance is completely burnt in excess of air or oxygen". It is denoted by `DeltaH_(C)`.
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS|87 Videos
  • THERMODYNAMICS

    SURA PUBLICATION|Exercise ADDITIONAL SHORT ANSWERS|46 Videos
  • THERMODYNAMICS

    SURA PUBLICATION|Exercise NUMERICAL PROBLEMS|19 Videos
  • SURAS. MODEL QUESTION PAPER - 2

    SURA PUBLICATION|Exercise Part - D (Answer all five questions:)|15 Videos

Similar Questions

Explore conceptually related problems

The standard substances used in the enthalpy of combustion of a substance in bomb calorimeter is ____

The standard value of enthalpy of combustion of benzoic acid is ____

Calculate the enthalpy of combustion of ethylene at 300K at constant pressure if its enthalpy of combustion at constant volume is -"1406 kJ mol"^(-1) .

Enthalpy for the oxidation of graphite to CO_2 and CO to CO_2 can easily be measured. For these conversions, the heat of combustion values are -393.5 kJ and - 283.5 kJ respectively.find the enthalpy of combustion of graphite to CO

The enthalpy of combustion of methane, graphite and dihydrogen at 298K are -890.3 kJ mol^(-1) ,- 393.5 kJ mol^(-1) and - 285.8 kJ "mol"^(-1) respectively. Enthalpy of formation of CH_(4(g)) will be ____

SURA PUBLICATION-THERMODYNAMICS -II.WRITE BRIEF ANSWER TO THE FOLLOWING QUESTIONS
  1. Predict the feasibility of a reaction when (i) both DeltaH and Delt...

    Text Solution

    |

  2. Define Gibb's free energy .

    Text Solution

    |

  3. Define enthalpy of combustion.

    Text Solution

    |

  4. The molar heat capacity of water is

    Text Solution

    |

  5. Define the calorific value of food. What is the unit of calorific valu...

    Text Solution

    |

  6. Enthalpy of neutralization of H(3)PO(3) "with " NaOH " is" -106.68 "kJ...

    Text Solution

    |

  7. What is lattice energy?

    Text Solution

    |

  8. Give two examples which are path dependent quantities. Are they proper...

    Text Solution

    |

  9. State Kelvin- Planck statement of second law of thermodynamics.

    Text Solution

    |

  10. The equilibrium constant of a reaction is 10, what will be the sign of...

    Text Solution

    |

  11. Enthalpy of neutralization is always a constant when a strong acid is ...

    Text Solution

    |

  12. a) State the third law of thermodynamics. B) Define entropy.

    Text Solution

    |

  13. Write down the Born-Haber cycle for the formation of CaCl2

    Text Solution

    |

  14. Identify the state and path functions out of the following a) Enthalpy...

    Text Solution

    |

  15. State the various statements of second law of thermodynamics.

    Text Solution

    |

  16. The condition for spontaneity of process is

    Text Solution

    |

  17. List the characteristics of internal energy.

    Text Solution

    |

  18. Explain how heat absorbed at constant pressure is measured using coff...

    Text Solution

    |

  19. Calculate the work involved in expansion and compression process.

    Text Solution

    |

  20. Give the relation between DeltaU and DeltaH.

    Text Solution

    |