Home
Class 12
CHEMISTRY
According to the second law of thermodyn...

According to the second law of thermodynamics, a process (reaction) is spontaneous, if during the process

A

`DeltaS` universe `gt 0`

B

`DeltaS` universe `= 0`

C

`DeltaH` system `gt 0`

D

`DeltaS "universe" = DeltaS "system"`

Text Solution

Verified by Experts

The correct Answer is:
A

For a process to be spontaneous `DeltaS` (universe) should be greater than zero.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos
  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos

Similar Questions

Explore conceptually related problems

According to second law of thermodynamics

According to third law of thermodynamics

The second law of thermodynamics states that

Thermodynamics Processes

Thermodynamics Processes

DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. The difference between Delta H and Delta U for the combustion of metha...

    Text Solution

    |

  2. The heat of neutralisation is maximum when

    Text Solution

    |

  3. According to the second law of thermodynamics, a process (reaction) is...

    Text Solution

    |

  4. The law of thermodynamics that provides the basis for the determinatio...

    Text Solution

    |

  5. The heat of combustion of graphite and carbon monoxide respectively ar...

    Text Solution

    |

  6. In order to decompose 9 grams of water 142.5 KJ heat is required. Henc...

    Text Solution

    |

  7. In an adiabatic expansion of an ideal gas -

    Text Solution

    |

  8. The free energy change for a reversible reaction at equilibrium is

    Text Solution

    |

  9. Which of the following conditions regarding the chemical process ensur...

    Text Solution

    |

  10. If for a given substance, melting point is T(B) and freezing point is ...

    Text Solution

    |

  11. When 1 mole of gas is heated at constant volume. Temperature is raised...

    Text Solution

    |

  12. Enthalpy of CH(4)+(1)/(2)O(2)rarrCH(3)OH is negative. If enthalpy of...

    Text Solution

    |

  13. The heat required to raise the temperature of a body by 1 K is called

    Text Solution

    |

  14. A heat engine absorbs heat Q(1) at temperature T(1) and Q(2) at temper...

    Text Solution

    |

  15. An endotthermic reaction is non-spontaneous at freezing point of water...

    Text Solution

    |

  16. Compounds with high heat of formation are less stable because

    Text Solution

    |

  17. Which of the following statements is true ?

    Text Solution

    |

  18. The intensive property among these quantities is

    Text Solution

    |

  19. An adiabatic expansion of an Ideal gas always has

    Text Solution

    |

  20. The favourable conditions for a spontaneous reaction are

    Text Solution

    |