Home
Class 12
CHEMISTRY
The heat of combustion of carbon to CO(2...

The heat of combustion of carbon to `CO_(2)`is`-395.5kJ//mol`.The heat released upon the formation of`35.2g` of`CO_(2)`from carbon and oxygen gas is

A

`-630`kJ

B

`-3.15`kJ

C

`-315`kJ

D

`+315`kJ

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

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

    TARGET PUBLICATION|Exercise CRITICAL THINKING|95 Videos
  • CHEMICAL KINETICS

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

    TARGET PUBLICATION|Exercise 7|3 Videos
TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -COMPETITIVE THINKING
  1. When 4g of iron is burnt to ferric oxide at constant pressure, 29.28KJ...

    Text Solution

    |

  2. The heat change during the reaction 24g C and 128g S following he chan...

    Text Solution

    |

  3. The heat of combustion of carbon to CO(2)is-395.5kJ//mol.The heat rele...

    Text Solution

    |

  4. H(2(g)) + 1/2 O(2(g)) to H2 O((l)) , Delta H =- 68kcal Amount of hea...

    Text Solution

    |

  5. For which one of the following equations is Delta(r) H^(@) equal to De...

    Text Solution

    |

  6. Energy required to dissociate 4g of gaseous hydrogen into free gaseous...

    Text Solution

    |

  7. Identify the invalid equation

    Text Solution

    |

  8. The H-H bond energy is 430KJmol^(-1) and Cl-Cl bond energy is 240KJmol...

    Text Solution

    |

  9. Deltaf H of HCl is .

    Text Solution

    |

  10. The bond energies of C-C,C=C, H-H and C-H bonds are 350 kJ mol^-1, 600...

    Text Solution

    |

  11. The values of heat of formation of SO2 and SO3 and -298.2 kJ and -98.2...

    Text Solution

    |

  12. From the thermochemical reactions, C(graphite)+1//2O(2)rarr CO , Delta...

    Text Solution

    |

  13. Heat of hydrogenation of ethylene is X and that of acetylene is Y, cha...

    Text Solution

    |

  14. Given: C(("Graphite"))+O(2(g))toCO(2(g)), DeltarH^@=-393.5 kJ mol^-1...

    Text Solution

    |

  15. Assuming enthalpy of combustion of hydrogen at 273 K is -286kJ and ent...

    Text Solution

    |

  16. Theoretical basis of Hess's law is .

    Text Solution

    |

  17. In the reactions, S+ 3/2 O2 to SO3 + 2x kJ and SO2 + 1/2 O2 to SO3...

    Text Solution

    |

  18. Given that C+O(2)rarrCO(2),DeltaH^(@)=-xKJ and 2CO+O(2)rarr2CO(2),Delt...

    Text Solution

    |

  19. The enthalpies of combustion of carbon and carbon monoxide are -393.5 ...

    Text Solution

    |

  20. For which among the following reactions change in entrophy is less...

    Text Solution

    |