Home
Class 12
CHEMISTRY
What are the signs (+ or -) of the entro...

What are the signs (+ or -) of the entropy changes of the surroundings in exothermic and endothermic process?

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (VERY SHORT ANSWER TYPE)|26 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)|35 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Practice Set 6|15 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos

Similar Questions

Explore conceptually related problems

What do you mean by exothermic and endothermic process?

Write the differences between an exothermic and an endothermic process.

What are endothermic reactions?

Is the complex formation an exothermic or an endothermic process? Give reasons.

What will be the sign of entropy change during adsorption ?

Enthalpy Change for exothermic process—

What sign (+ or -) of entropy change in an endothermic reaction makes the reaction non-spontaneous at any temperature?

Which of the following is an exothermic process?

What is endothermic reactions?

What will be the sign of entropy change for the process I_(2)(g)toI_(2)(s) ?

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. Give reasons: (i) The change in entropy of a system in a cyclic proces...

    Text Solution

    |

  2. Define (i) Entropy of fusion (ii) Entropy of vaporisation (iii) Standa...

    Text Solution

    |

  3. What are the signs (+ or -) of the entropy changes of the surroundings...

    Text Solution

    |

  4. If the process AtoB occurs reversible, then the change in entropy of t...

    Text Solution

    |

  5. Heat is not exchange between the system and its surroundings during fr...

    Text Solution

    |

  6. What will be the sign of Delta(sys) (+ve or -ve) in the process of-(i)...

    Text Solution

    |

  7. The following changes are performed on 1 mol of N(2) gas- (i) Pressu...

    Text Solution

    |

  8. Write the SI unit of entropy.

    Text Solution

    |

  9. For a process in an isolated system, what are the conditions of sponta...

    Text Solution

    |

  10. Write the relationn between DeltaS(sy)&DeltaS("surr") when a process r...

    Text Solution

    |

  11. For a reversible process DeltaS(sys)=-20J*K^(-1). What will be the val...

    Text Solution

    |

  12. For a spontaneous process DeltaS("surr")=+10J*K^(-1). What will be the...

    Text Solution

    |

  13. In which case does the entropy of the surroundings increase or decreas...

    Text Solution

    |

  14. For process under a set of condition, DeltaS("sys") lt 0 and DeltaS("s...

    Text Solution

    |

  15. A spontaneous process has DeltaS("sys")=xJ*K^(-1) and DeltaS("surr") =...

    Text Solution

    |

  16. Write the second law of thermodynamics in terms of entropy.

    Text Solution

    |

  17. Following two reactions occur spontaneously. What will be the signs of...

    Text Solution

    |

  18. For a reaction DeltaH gt0, and for another DeltaH lt0. For both the re...

    Text Solution

    |

  19. Define: (i) Gibbs free energy (ii) the standard free energy of formati...

    Text Solution

    |

  20. Explain: (i) Gibbs free energy is a state function. (ii) gibbs free en...

    Text Solution

    |