Home
Class 12
CHEMISTRY
The value of enthalpy change (DeltaH) fo...

The value of enthalpy change `(DeltaH)` for the reaction
`C_(2)H_(5)OH (l)+3O_(2) (g) rarr 2CO_(2) (g) +3H_(2)O (l)`
at `27^(@)C` is `-1366.5 kJ mol^(-1)`.
The value of internal energy change for the above reactio at this temperature will be

A

`-1371.5 kJ`

B

`-1369. kJ`

C

`-1364.0 kJ`

D

`-1361.5 kJ`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -2|100 Videos
  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -3|108 Videos
  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -1A|41 Videos
  • TEST PAPERS

    ALLEN|Exercise CHEMISTRY|19 Videos
  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|39 Videos

Similar Questions

Explore conceptually related problems

The value of enthalpy change (DeltaH) for the reaction C_(2)H_(5)OH(l)+3O_(2)(g)rarr2CO_(2)(g)+3H_(2)O(l) at 27^(@)C is -1366.5KJmol^(-1) . The value of internal energy change for the above reaction at this tempearature will be

For the reaction : C_(2)H_(5)OH(l)+3O_(2)(g)rarr2CO_(2)(g)+3H_(2)O(g) if Delta U^(@)= -1373 kJ mol^(-1) at 298 K . Calculate Delta H^(@)

For the reaction C_(2)H_(4)(g)+3O_(2)(g) rarr 2CO_(2) (g) +2H_(2)O(l) , Delta E=-1415 kJ . The DeltaH at 27^(@)C is

ALLEN-THERMODYNAMICS -EXERCISE -1B
  1. If the bond dissociation energies of XY,X(2) and Y(2) are in the ratio...

    Text Solution

    |

  2. The conversion A to B is carried out by the following path : {:(C rarr...

    Text Solution

    |

  3. The standard enthalpy of formation (Delta(f)H^(@)) at 298K for methan...

    Text Solution

    |

  4. The enthalpy changes for the following process are listed below : Cl...

    Text Solution

    |

  5. For the process H(2)O(l) (1 "bar", 373 K) rarr H(2)O(g) (1"bar", 373 K...

    Text Solution

    |

  6. In conversion of lime-stone to lime, CaCO(3(s)) to CaO((s)) + CO(2(g...

    Text Solution

    |

  7. Assuming that water vapour is an ideal gas, the internal energy change...

    Text Solution

    |

  8. Identify the correct statement regarding a spontaneous process:

    Text Solution

    |

  9. Oxidising power of chlorine in aqueous solution can be determined by t...

    Text Solution

    |

  10. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

    Text Solution

    |

  11. On the basis of the following thermochemical data : (Delta(f)G^(@)H((a...

    Text Solution

    |

  12. In a fuel cell methanol is used as fuel and oxygen gas is used as an o...

    Text Solution

    |

  13. The standard enthalpy of formation of NH(3) is -46.0KJ mol^(-1) . If t...

    Text Solution

    |

  14. A system absorbs reversibly 600 J of heat and performs 250 J of work. ...

    Text Solution

    |

  15. For reversible melting of ice at 0^(@)C and 1 atm. Pressure, the value...

    Text Solution

    |

  16. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |

  17. The value of enthalpy change (DeltaH) for the reaction C(2)H(5)OH (l...

    Text Solution

    |

  18. Consider the reaction, 4NO(2)(g)+O(2)(g)rarr2N(2)O(5)(g),Delta(r )H=...

    Text Solution

    |

  19. The incorrect expression among the following is

    Text Solution

    |

  20. A piston filled with 0.04 mole of an ideal gas expands reversible from...

    Text Solution

    |