Home
Class 12
CHEMISTRY
The combustion reaction occuring in an a...

The combustion reaction occuring in an automobile is `2C_(8)H_(18)+25O_(2)(g) to16CO_(2)(g)+18H_(2)O(g)` This reaction is accompanied with signs of change in enthalpy, entropy and gibbs free energy

A

`+,-,+`

B

`-,+,-`

C

`-,+,+`

D

`+,+,-`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Efficient|48 Videos
  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Impeccable|48 Videos
  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Impeccable|48 Videos
  • THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|44 Videos

Similar Questions

Explore conceptually related problems

The equation for the burning of octane is 2C_(8)H_(18) + 25O_(2) to 16CO_(2) + 18H_(2)O What is the empirical formula of octane ?

In the reaction C_(3)H_(6)(g)+nO_(2)(g)toCO_(2)(g)+H_(2)O(l) . The ratio of the coefficients of CO_(2) and H_(2)O is

Gibbs free energy G, enthalpy H and entropy S are related as

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

Diborane isa potential rocket fuel that undergoes combustion according to the reaction, B_(2)H_(6)(g) +3O_(2)(g) rarr B_(2)O_(3)(g) +3H_(2)O(g) From the following data, calculate the enthalpy change for the combustion of diborane:

Diborane is a potential rocket fuel that undergoes combustion according to the reaction, B_(2)H_(6)(g) +3O_(2)(g) rarr B_(2)O_(3)(g) +3H_(2)O(g) From the following data, calculate the enthalpy change for the combustion of diborane:

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

The heat change accompanying the reaction 2H_(2)(g)+O_(2)(g) to 2H_(2)O(l) : DeltaH= -136kcal is called

At 298K , the enthalpy of combustion of CH_(4) corresponds to the reaction CH_(4)(g) +2O_(2)(g) rarr CO_(2)(g)+2H_(2)O(g)

For the combustion of n-octane C_(8)H_(18)+O_(2)rarrCO_(2)+H_(2)O at 25^(@)C (ingnoring resonance in CO_(2) )

VMC MODULES ENGLISH-THERMODYNAMICS & THERMOCHEMISTRY-Enable
  1. The enthalpy change of a reaction does not depend upon

    Text Solution

    |

  2. Which of the following expression represents, the first law of thermod...

    Text Solution

    |

  3. The dependence of Gibbs free energy on pressure for an isothermal proc...

    Text Solution

    |

  4. For a reaction to occur spontaneously

    Text Solution

    |

  5. If enthalpies of formation of C(2)H(4)(g),CO(2)(g) and H(2)O(l) at 25^...

    Text Solution

    |

  6. For an ideal diatomic gas:

    Text Solution

    |

  7. When a solid changes into liquid, the entropy

    Text Solution

    |

  8. In which of the following entropy increases?

    Text Solution

    |

  9. For an exothermic reaction

    Text Solution

    |

  10. The enthalpy change for the transition of liquid water to steam, Delta...

    Text Solution

    |

  11. In the combustion of 2.0 g of methane 25 kcal heat is liberated, heat ...

    Text Solution

    |

  12. The combustion reaction occuring in an automobile is 2C(8)H(18)+25O(2)...

    Text Solution

    |

  13. At constant TandP,Which of the following statements is correct for the...

    Text Solution

    |

  14. The heat of formations of CO((g)) and CO(2(g)) are -26.4 kcal and -94....

    Text Solution

    |

  15. The value of heat generated when 36.5 gm of HCI and 40 gm of NaOH reac...

    Text Solution

    |

  16. In the reaction, CO(2)(g)+H(2)(g)toCO(g)+H(2)O(g)," "DeltaH=2.8 ...

    Text Solution

    |

  17. The heat of formation is the change in enthalpy accompanying the forma...

    Text Solution

    |

  18. An isolated system is that system in which

    Text Solution

    |

  19. Which of the following statement is true regarding the entropy of the ...

    Text Solution

    |

  20. In a reversible isothermal process, the change in internal energy is :

    Text Solution

    |