Home
Class 12
CHEMISTRY
At 27^(@)C latent heat of fusion of a co...

At `27^(@)C` latent heat of fusion of a compount is 2930 j/mol. Entropy change is:

A

9.77 J/mol-K

B

10.33 J/mol-K

C

9.07 J/mol-K

D

0.977 J/mol-K

Text Solution

Verified by Experts

The correct Answer is:
A

`Delta S= (Q_("rev"))/(T)=(2930)/(300)=9.77 J cdot mol^(-1) K^(-1)`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (Third Law of Thermodynamics)|6 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (HIGHER LEVEL)|112 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (Spontaneous Process, Entropy and Second Law of Thermodynamics)|16 Videos
  • CHEMICAL KINETICS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|50 Videos
  • CHEMISTRIY IN EVERYDAY LIFE

    MARVEL PUBLICATION|Exercise TEST YOUR GRAPS|24 Videos

Similar Questions

Explore conceptually related problems

At 37 ^(@)C latent heat of fusion of a compound is 3930 J/mol. Entropy change is

At 27^(@)C latent heat of fusion of a compound is 2930mol . Entropy change during fusion is

Latent heat of fusion, Q = mL .

Define latent heat of fusion.

At 127°C. heat of fusion of a compound is 4.8 kJ/mol. Entropy change for the process is

MARVEL PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS-MULTIPLE CHOICE QUESTIONS (Gibbs Free Energy)
  1. 1 mole of CO(2) is available in the gaseous state (at NTP) 1 mole of C...

    Text Solution

    |

  2. Standard state of a gaseous substance indicates that the substance is ...

    Text Solution

    |

  3. One mole of ice is converted into water at 273K. The entropies of H2O(...

    Text Solution

    |

  4. Which one of the following conditions corresponds to a transformation ...

    Text Solution

    |

  5. At 373 K, the heat of transition for H(2)O(l) rarr H(2)O((g))" is "Del...

    Text Solution

    |

  6. For reaction 2Cl((s)) to Cl(2(s)), the signs of Delta H "and " Delta S...

    Text Solution

    |

  7. For an adiabatic process

    Text Solution

    |

  8. Identify the correct statement for change of Gibbs energy for a system...

    Text Solution

    |

  9. Which of the following process proceeds with the +ve value of Delta S?

    Text Solution

    |

  10. At 27^(@)C latent heat of fusion of a compount is 2930 j/mol. Entropy ...

    Text Solution

    |

  11. In thermodynamics, a process is called reversible when

    Text Solution

    |

  12. Free enegry , G = H - TS, is state function that indicates whther a re...

    Text Solution

    |

  13. For 2A((g)) rarr A(2(g)) Delta H and Delta S are :

    Text Solution

    |

  14. Which of the following has DeltaS^(@) greater than zero

    Text Solution

    |

  15. Evaluate the entropy change in the vaporisation of 36 gm water at 373 ...

    Text Solution

    |

  16. Which one is incorrect statement of the second law of thermodynamics?

    Text Solution

    |

  17. The occurrence of a reaction of impossible if

    Text Solution

    |

  18. Show that the reaction CO(g) +(1//2)O(2)(g) rarr CO(2)(g) at 300K ...

    Text Solution

    |

  19. Delta G^(@) for the reaction X+Y hArr Z is -4.606 kcal. The value of e...

    Text Solution

    |

  20. For the equilibrium PCl(5)hArr PCl(3)(g)+Cl(2)(g) at 298 K, K(p)=1.8xx...

    Text Solution

    |