Home
Class 12
CHEMISTRY
Calculate the heat of formation of C(6)H...

Calculate the heat of formation of `C_(6)H_(6)`, given that the heats of combustion of benzene, carbon and hydrogen are 754, 94 and 68 kcal respectively.

Text Solution

Verified by Experts

The correct Answer is:
(-14 kcal)
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    RC MUKHERJEE|Exercise Objective problems|58 Videos

  • CHEMICAL THERMODYNAMICS

    RC MUKHERJEE|Exercise Objective problems|58 Videos

  • CHEMICAL KINETICS

    RC MUKHERJEE|Exercise OBJECTIVE PROBLEMS |51 Videos

  • DILUTE SOLUTION AND COLLIGATIVE PROPERTIES

    RC MUKHERJEE|Exercise Objective problems|36 Videos

Similar Questions

Explore conceptually related problems

What is the heat of formation of C_(6)H_(6) , given that the heats of combustion of Benzene, carbon and Hydrogen are 782, 94 and 68K.Cal respectively

The heat of combustion of liquid ethanol is -327.0 kcal calculate the heat of formation of ethanol. Given that the heats of formation of CO_(2)(g) and H_(2)O(l) are -94.0 kcal and -68.4 kcal respectively.

Calculate the enthalpy of hydrogenation of C_2 H_(4(g)) , given that the enthalpy of formation of ethane and ethylene as -30.2 kcal and +12.5 kcal respectively.

Calculate the heat of hydrogenation , C_(2)H_(4)(g)+H_(2)(g)toC_(2)H_(6)(g) Given that, the heats of combustion of ethylene, hydrogen and ethane are -337.0, -68.4 and -373.0 kcal respectively.

Calculate the bond energy of C - H bond, given that the heat of formation of CH_4 , heat of sublimation of carbon and heat of dissociation of H_2 are -74.8 + 719.6 and 435 kJ mol^(-1) respectively.

The heat of formation of H_(2)O(l) is -68.0 kcal, the heat of formation of H_(2)O(g) can logically be

RC MUKHERJEE-CHEMICAL THERMODYNAMICS-Problems
  1. Calculate the enthalpy of formation of Ca(OH)(2) (s) from the followin...

    Text Solution

    |

  2. Calculate heat of formation of KOH(s) using the following equations ...

    Text Solution

    |

  3. Calculate the heat of formation of C(6)H(6), given that the heats of c...

    Text Solution

    |

  4. Calculate the enthalpy change for the reaction Fe(2)O(3)+3CO to 2Fe+...

    Text Solution

    |

  5. The heats of formation of Na(2)B(4)O(7) (s) and Na(2)B(4)O(7).10H(2)O ...

    Text Solution

    |

  6. The heat of combustion of graphite at 298 K is -393.795 kJ/mole, while...

    Text Solution

    |

  7. The enthalpies of neutralisation for CH(3)COOH with NaOH and NH(4)OH w...

    Text Solution

    |

  8. Calculate the fuel efficiency in kJ/ gram of C(2)H(4) and C(4)H(10). T...

    Text Solution

    |

  9. The heat of formation of Fe(2)O(3) "is" -821.32 kJ "mole"^(-1) at 298 ...

    Text Solution

    |

  10. A gas is enclosed in a cylinder with a piston. Weights are added to th...

    Text Solution

    |

  11. Calculate Delta G^(0) for the reaction CaF(2)(s) hArr Ca^(2+)(aq)+2F...

    Text Solution

    |

  12. Predict the direction in which Delta G^(0) for the equilibrium N(2)(...

    Text Solution

    |

  13. A heat pump is used to draw water from a well. The temperature of the ...

    Text Solution

    |

  14. Given the following reactions with their enthalpy changes, at 25^(@)C,...

    Text Solution

    |

  15. A system is changed from an initial state to a final state to a final ...

    Text Solution

    |

  16. Two moles of an ideal gas are held by a piston under 10 atm pressure a...

    Text Solution

    |

  17. Show that the differential dV of the molar volume of an ideal gas is a...

    Text Solution

    |

  18. Assume that the only change in volume is due to the production of hydr...

    Text Solution

    |

  19. A Carnot engine has an efficiency of 40% . If the temperature of the r...

    Text Solution

    |

  20. A Carnot engine, whose temperature of the source is 400K receives 200 ...

    Text Solution

    |