Home
Class 11
CHEMISTRY
S((8)) + 8O(2) rarr 8SO(2), DeltaH = -QK...

`S_((8)) + 8O_(2) rarr 8SO_(2), DeltaH = -QKJ`, then `DeltaE`

A

`-8`

B

`-Q`

C

`(-Q)/(8)`

D

`(+Q)/8`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (ENTROPY AND GIBBS ENERGY)|15 Videos

  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos

  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

S _(8) + 8O _(2) to 8SO _(2), Delta H =- QKJ. Then Delta H for SO _(2) to S + O _(2) is

Given C_((s)) + O_(2(g)) rarr CO_(2(g)), Delta H = -395 kJ , S_((g)) + O_(2(g)) rarr SO_(2(g)) , Delta H = -295 kJ , CS_(2(l)) + 3O_(2(g)) rarr CO_(2(g)) + 2SO_(2(g)) , Delta H = -1110 kJ The heat of formation of CS_(2(l)) is

2H_(2(g)) + O_(2(g)) rarr 2H_(2)O_((l)) , DeltaH= -ve and DeltaG= -ve . Then the reaction is

Given that (1)/(2)S_(8(s)) + 6O_(2(g)) rarr 4SO_(3(g)), Delta H^(0) = - 1590kJ . The standard enthalpy of formation of SO_(3) is

If S + O_(2) rarr SO_(2), DeltaH= -398.2kJ SO_(2) + (1)/(2) O_(2) rarr SO_(3), DeltaH= -98.7kJ , SO_(3) + H_(2)O rarr H_(2)SO_(4), DeltaH= -130.2 kJ H_(2) + (1)/(2) O_(2) rarr H_(2)O, DeltaH= -227.3kJ The enthalpy of formation of sulphuric acid at 298K will be

2C_((s)) + 1/2O_(2(gg) rarr CO_(2(g)) , DeltaH = -787 KJ H_(2(g)) + 1/2O_(2(g)) rarr H_2O_((l)) , DeltaH = -286 KJ C_2H_(2(g)) + 2 1/2O_(2(g)) rarr 2CO_(2(g)) + H_2O_((l)) , DeltaH = -1301 KJ . Heat of formation of acetylene in KJ is

AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
  1. CH(4(g)) + 2O(2(g)) rarr CO(2(g)) + 2H2O((l)) DeltaH = -200 K.cal, n...

    Text Solution

    |

  2. A system is provided with 50 J of heat and the work done on the system...

    Text Solution

    |

  3. S((8)) + 8O(2) rarr 8SO(2), DeltaH = -QKJ, then DeltaE

    Text Solution

    |

  4. H2 + Cl2 rarr 2HCl + 44 K.Cal. Heat of formation of HCl is

    Text Solution

    |

  5. Wg of benzoic acid is completely burnt in bomb calorimeter in excess o...

    Text Solution

    |

  6. Heat of combustion of carbon is -96 k, cals. When some quantity of car...

    Text Solution

    |

  7. One mole of methanol, when burnt in oxygen, gives out 723 KJ mol^(-1) ...

    Text Solution

    |

  8. The heat of combustion of benzene at 27^@C and at constant volume is -...

    Text Solution

    |

  9. Heat of neutralisation of H2SO4 with NaOH is - x KJ. Then the heat of ...

    Text Solution

    |

  10. For the reaction at 298 K, 2A+BtoC DeltaH=400 kJ mol^(-1) and Delt...

    Text Solution

    |

  11. The heat of neutralisation of strong base and strong acid is - 57.0 KJ...

    Text Solution

    |

  12. When IM H2SO3 is completely neutralised by sodium hydroxide, the heat ...

    Text Solution

    |

  13. The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 10...

    Text Solution

    |

  14. -100 cm^3 of 0.1 M HCl and 100 cm^2 of 0.1.M NaOH solutions are mixed ...

    Text Solution

    |

  15. For the reaction H^(+) + OH^(-) + H2O, DeltaH = -13.7 K. cal For H...

    Text Solution

    |

  16. BOH((aq)) + H((aq))^(+) rarr B((aq))^(+) + H2O, DeltaH = -48 KJ.Heat o...

    Text Solution

    |

  17. The heat of ionisation of weak acid and a weak base are .x. and .y. k....

    Text Solution

    |

  18. If the heats of formation of Al2O3 and Fe2O3 are -400 K.Cal and -190 K...

    Text Solution

    |

  19. When 1 litre of IM HCl is mixed with 1 litre of 1M NaOH, the rise in t...

    Text Solution

    |

  20. Standard molar enthalpy is lowest for

    Text Solution

    |