Home
Class 12
CHEMISTRY
Heat of formation of H2 O((l)), CO(2(g))...

Heat of formation of `H_2 O_((l)), CO_(2(g)) "and" C_2 H_(4(g))` are `-285.0, -399.0,` and 69.9 kJ/mole respectively. The heat of combustion of ethylene is _________ .

A

`-1.4379`kJ

B

`-1437.9`kJ

C

`-1437`J

D

`-14.379`kJ

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|97 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos
  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise Evaluation test|13 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    TARGET PUBLICATION|Exercise 7|3 Videos

Similar Questions

Explore conceptually related problems

The heats of formation of C_(6)H_(6)(l),H_(2)O(l) and CO_(2)(g) are 11.70,-68.4 and -94.0 kcal respectively. Calculate the heat of combustion of benzene (l).

The heat of formations of CO_((g)) and CO_(2(g)) are -26.4 kcal and -94.0 kcal respectively. The heat of combustion of carbon monoxide will be _________ .

The heats of combustion of C_(2)H_(4(g)), C_(2)H_(6(g)) and H_(2(g)) are -1405,-1558.3 and -285.6 kJ respectively. Calculate heat of hydrogenation of ethylene.

The heats of formation of CO_(2(g)) and H_(2)O_((l)) are - 398 and -285 kJ mol^(-1) respectively. The heat of combustton of methane is -390 kJ. The heat of formation of methane will be

Heat of formation of CO_(2)(g),H_(2)O(l)andCH_(4)(g)"are"-94,-68.4 and-17 .9 "kCal" " mol"^(-1) respectively, the heat of combustion of CH_(4)(g) is :-

TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -CRITICAL THINKING
  1. Given: (i) S+O2 to SO2, Delta H=-298.2 kJ (ii) SO2 + 1/2 O2 to SO3...

    Text Solution

    |

  2. Calculate the enthalpy of hydrogenation of C2 H(4(g)), given that the...

    Text Solution

    |

  3. Heat of formation of H2 O((l)), CO(2(g)) "and" C2 H(4(g)) are -285.0, ...

    Text Solution

    |

  4. The combustion enthalpies of carbon, hydrogen and methane are -395.5 "...

    Text Solution

    |

  5. The standard molar heat of formation of ethane, CO2 "and" H2 O((l)) "a...

    Text Solution

    |

  6. The H2 O((g)) molecule dissociates as (i) H2 O((g)) to H((g)) + OH((...

    Text Solution

    |

  7. Given: 2C((s)) + 2O(2(g)) to 2CO(2(g)), Delta H1 =-767 kJ …(i) H...

    Text Solution

    |

  8. The standard ethelpy of combustion at 25^(@)C of hydrogen, cyclohexene...

    Text Solution

    |

  9. Diborane is a potential rocket fuel which undergoes combustion accordi...

    Text Solution

    |

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

    Text Solution

    |

  11. When total disorder increases, the change is said to be .

    Text Solution

    |

  12. For the process, normal egg rarr hard boiled egg, the sign of DeltaS i...

    Text Solution

    |

  13. In which of the following entropy decreases?

    Text Solution

    |

  14. The enthalpy change for the transition of liquid water to steam, Delta...

    Text Solution

    |

  15. The enthalpy of vaporization of a substance is 840 J per mol and its b...

    Text Solution

    |

  16. If 900J//g of heat is exchanged at boiling point of water then water...

    Text Solution

    |

  17. 9.0 g of H2 O is vaporized at 100^@C and 1 atm pressure. If the latent...

    Text Solution

    |

  18. For reaction 2Cl((s)) to Cl(2(s)), the signs of Delta H "and " Delta S...

    Text Solution

    |

  19. The Delta S for the vaporization of 1 mol of water is 88.3 J/mol K. Th...

    Text Solution

    |

  20. For the change H2 O((l)) to H2 O((g)) , P=1 atm, T=373 K, the free ene...

    Text Solution

    |