Home
Class 12
CHEMISTRY
Based on the following thermochemical eq...

Based on the following thermochemical equations
`H_(2)O(g)+C(s)rarrCO(g)+H_(2)(g),DeltaH=131KJ`
`CO(g)+1//2O_(2)(g)rarrCO_(2)(g),DeltaH=-282KJ`
`H_(2)(g)+1//2O_(2)(g)rarrH_(2)O(g),DeltaH=-242KJ`
`C(s)+O_(2)(g)rarrCO_(2)(g),DeltaH=XKJ`
The value of `X` will be

A

393 kJ

B

`-393 kJ`

C

655 kJ

D

`-655 kJ`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If C(s)+O_(2)(g)rarrCO_(2)(g),DeltaH=X and CO(g)+1//2O_(2)(g)rarrCO_(2)(g),DeltaH=Y , then the heat of formation of CO is

Calculate in kJ for the following reaction : C(g) + O_(2)(g) rarr CO_(2)(g) Given that, H_(2)O(g) + C(g) + H_(2)(g) , Delta H = +131 kJ CO(g) + 1/2 O_(2)(g) rarr CO_(2)(g), " " Delta H = -242 kJ H_(2)(g) + 1/2 O_(2)(g) rarr H_(2)O(g), " "DeltaH = -242 kJ

Calculate the heat of combustion of benzene form the following data: a. 6C(s) +3H_(2)(g) rarr C_(6)H_(6)(l), DeltaH = 49.0 kJ b. H_(2)(g) +1//2O_(2)(g) rarr H_(2)O(l), DeltaH =- 285.8 kJ c. C(s) +O_(2) (g) rarr CO_(2)(g), DeltaH =- 389.3 kJ

ALLEN-Thermodynamics And Thermo Chemistry-All Questions
  1. In an adiabatic expansion of an ideal gas -

    Text Solution

    |

  2. The heat of combustion of ethanol was determined in a bomb calorimeter...

    Text Solution

    |

  3. 4S(s)+60to4SO(3)(g),DeltaH f or this reaction is - 1583.2 kJ . The en...

    Text Solution

    |

  4. The heat change for the reaction C(s)+2S(s)toCS(2)(l) is called the...

    Text Solution

    |

  5. Based on the following thermochemical equations H(2)O(g)+C(s)rarrCO(...

    Text Solution

    |

  6. In the reversible reaction of the type A+B hArr AB, in general.

    Text Solution

    |

  7. If enthalpies of formation of C(2)H(4)(g)1,CO(2) andH(2)O(l) at25(@)C ...

    Text Solution

    |

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

    Text Solution

    |

  9. Identify the correct statement regarding entropy

    Text Solution

    |

  10. Change in enthalpy for reaction 2H(2)O(2)(l)rarr2H(2)O(l)+O(2)(g) if...

    Text Solution

    |

  11. When 1 mole of gas is heated at constant volume. Temperature is raised...

    Text Solution

    |

  12. For which one of the following equation is DeltaH(reaction)^(@) equal ...

    Text Solution

    |

  13. Internal energy of an ideal gas depends on :-

    Text Solution

    |

  14. The process in which no heat enters or leaves the system is termed as

    Text Solution

    |

  15. The work done during the expanision of a gas from a volume of 4 dm^(3)...

    Text Solution

    |

  16. Calculate the work done during isothermal reversible expansion expansi...

    Text Solution

    |

  17. (Delta H - Delta U) for the formation of carbon monoxide (CO) from its...

    Text Solution

    |

  18. Heat of formation of CO(2)(g),H(2)O(l)andCH(4)(g)"are"-94,-68.4 and-17...

    Text Solution

    |

  19. Change in internal energy when 4 kJ of work is done on the system and ...

    Text Solution

    |

  20. In a chemical reaction DeltaH is 150 kJ and DeltaS is 100 J K^(-1) at ...

    Text Solution

    |