Home
Class 11
CHEMISTRY
Wg of benzoic acid is completely burnt i...

Wg of benzoic acid is completely burnt in bomb calorimeter in excess of `O_2` so that KJ heat is released at 298K. Internal energy change for combustion of 1 mole benzoic acid (MW = M) will be (in KJ)

A

`-Q`

B

`(-(QW))/(M)`

C

`(-(QM))/(W)`

D

`+Q`

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

When 1.0g of oxalic acid (H_(2)C_(2)O_(4)) is burned in a bomb calorimeter whose heat capacity is 8.75kJ/K, the temperature increases by 0.312K. The enthalpy of combustion of oxalic acid at 27^(@)C

4.184g of benzoic acid was burnt in bomb calorimeter. The rise in the temperature is 10^@ . The heat capacity of calorimeter and its contents is 2.644 kcal K^(-1) . Calculate the heat of combustion of benzoic acid.

Heat of combustion of benzoic acid (C_6H_5COOH) at constant volume at 25^@C is -3233KJ//"mole" . When 0.5g of benzoic acid is burnt in bomb calorimeter, the temperature of calorimeter increased by 0.53^@C . Now in the same bomb calorimeter 1g of C_2H_6 burnt then temperature increased by 2.04^@C . DeltaH for combustion of C_2H_6 is

1 g of graphite is burnt in a bomb calorimeter in excess of O_(2) at 298 K and 1 atm. Pressure according to the equations. C_("graphite")+O_(2(g)) to CO_(2(g)) During the reaction the temperature rises from 298 K to 200K. Heat capacity of the bomb calorimeter is 20.7KJK^(-1) . What is the enthalpy change for the above reaction at 298 K 1 atm?

What is the approximate standard free energy change per mole of Zn (in Kj mol^(-1) ) for a Daniel cell at 298 K?

AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
  1. S((8)) + 8O(2) rarr 8SO(2), DeltaH = -QKJ, then DeltaE

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. -100 cm^3 of 0.1 M HCl and 100 cm^2 of 0.1.M NaOH solutions are mixed ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Standard molar enthalpy is lowest for

    Text Solution

    |

  19. Lattice dissociation energy and hydration energy of sodium chloride ar...

    Text Solution

    |

  20. Example of endothermic product is

    Text Solution

    |