Home
Class 11
CHEMISTRY
For the reaction C(3)H(8)(g) + 5 O2)(g...

For the reaction
`C_(3)H_(8)(g) + 5 O_2)(g) rightarrow 2CO_(2)(g) + 4 H_(2)O(l)` at constant temperature , `DeltaH - Delta E` is`

A

`-RT`

B

`+RT`

C

`-3RT`

D

`+3RT`

Text Solution

Verified by Experts

The correct Answer is:
C
`Delta H- Delta E= Delta n_(g)RT , Delta n_(g)= -3`
So, `Delta H- Delta E= - 3RT`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS|Exercise NCERT Based Questions (IInd & IIIrd Law of Thermodynamics and Entropy)|41 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS|Exercise NCERT Based Questions (Heat of Reaction)|67 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    ERRORLESS|Exercise (Assertion & Reason)|18 Videos

  • THE S-BLOCK ELEMENTS

    ERRORLESS|Exercise Assertion & Reason|10 Videos

Similar Questions

Explore conceptually related problems

For the reaction C_(3)H_(8)(g)+5O_(2)rarr3CO_(3)(g)+4H_(2)O(l) at constant temperature, DeltaH-DeltaU is

For the reaction C_2H_(5)OH(l) + 3 O_(2)(g) rightarrow 2CO_(2)(g) + 3 H_(2)O(l) , which one is true ?

For the reaction: C_(3)H_(8)(g) + 5O_(2)(g) rightarrow 3CO_(2)(g) + 4H_(2)O(l) , DeltaG^(@) = -2.108 xx 10^(3) kJmol^(-) What is the value of of the standard electrode potential, E^(@) for a fuel cell based on this reaction?

The difference between Delta H and Delta E for the reaction 2C_(6)H_(6)(l) + 15O_(2)(g) rightarrow 12 CO_(2)(g) + 6H_(2)O(l) at 25^(@) C in kJ is

At 27^(@) C , the combustion of ethane takes place according to the reaction C_(2) H_(6)(g) + 7/2O_(2)(g) rightarrow 2CO_(3)(g) + 3H_(2)O(l) Delta E - Delta H for this reaction at 27^(@)C will be

If Delta E is the heat of reactin for C_(2)H_(5)OH(l)+3O_(2)(g) to 2CO_(2)(g)+3H_(2)O(l) at constant volume the DeltaH (heat of reaction at constant pressure), at constant temperature is

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

ERRORLESS-THERMODYNAMICS AND THERMOCHEMISTRY-NCERT Based Questions (First Law of Thermodynamics and Hess Law)
  1. For the reaction CH(3)COOH(l)+2O(2)(g)iff2CO(2)(g)+2H(2)O(l)" at "...

    Text Solution

    |

  2. In a closed insulated container, a liquid is stirred with a paddle to ...

    Text Solution

    |

  3. For the reaction C(3)H(8)(g) + 5 O2)(g) rightarrow 2CO(2)(g) + 4 H(2...

    Text Solution

    |

  4. The work done by the system is 8 joule, when 40 joule heat is supplied...

    Text Solution

    |

  5. Under which of the following condition is the relation DeltaH = DeltaU...

    Text Solution

    |

  6. The volume of a gas decreases from 500 c c to 300 c c when a sample of...

    Text Solution

    |

  7. For the reaction A(g)+2B(g)rarr2C(g)+3D(g), the value of DeltaH at...

    Text Solution

    |

  8. If one mole of ammonia and one mole of hydrogen chloride are mixed in ...

    Text Solution

    |

  9. According to the first law of thermodynamics which of the following qu...

    Text Solution

    |

  10. The molar heat capacity of water at constant pressure, C, is 75 JK^(-1...

    Text Solution

    |

  11. For the process "Dry ice" to CO(2)(g)

    Text Solution

    |

  12. Molar heat capacity of aluminium is 25 JK^(-1) mol^(-1).The heat neces...

    Text Solution

    |

  13. A 1.0g sample of substance A at 100^(@)C is added to 100 mL of H(2)O ...

    Text Solution

    |

  14. Mass and energy are conserved is demonstrated by

    Text Solution

    |

  15. A mixture of 2 moles of carbon monoxide and one mole of oxygen in a cl...

    Text Solution

    |

  16. Standard enthalpy of formation is zero for

    Text Solution

    |

  17. DeltaE^(@) of combustion of isobutylene is -X kJ mol^(-1). The value o...

    Text Solution

    |

  18. The work done by the gas liberated when 50 g of iron (molar mass 55.85...

    Text Solution

    |

  19. For isothermal expansion of an ideal gas, the correct combination of t...

    Text Solution

    |

  20. Pressure-volume (PV) work done by an ideal gaseous system at constant ...

    Text Solution

    |