Home
Class 12
CHEMISTRY
If the enthalpy change for the transitio...

If the enthalpy change for the transition of liquid water to steam is `30 kJ mol^(-1)" at " 27^@C` the entropy change for the process would be

A

`10 J mol^(-1) K^(-1)`

B

`1.0 J mol^(-1)K^(-1)`

C

`0.1 J mol^(-1)K^(-1)`

D

`100 J mol^(-1)K^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -1B|22 Videos

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -2|100 Videos

  • THERMODYNAMICS

    ALLEN|Exercise Questions|46 Videos

  • TEST PAPERS

    ALLEN|Exercise MATHEMATICS|2 Videos

  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|40 Videos

Similar Questions

Explore conceptually related problems

If the enthalpy change for the transition of liquid water to steam is 300kJ mol^(-1)" at "27^(@)C , the entropy change for the proces would be

The enthalpy change for the transition of liquid water to steam, Delta_(vap) " H=37.3 kJ " mol^-1 at 373 K. The entropy change for the process is __________ .

The enthalpy change for transition of liquid water to steam is 40.8 kJ mol^(-1) at 373K. Calculate Delta S for the process.

The enthalpy change for the transition of liquid water to steam Delta_("vap")H is 40.8 kJ mol^(-1) at 100^@C . Calculate the entropy change (Delta_("vap")S) for the process.

At 373 K, the entropy change for the transition of liquid water to steam (DeltaS_("vap")) is 109 J K^(-1) mol^(-1) . Calculate the enthalpy change (Delta_("vap")H) for the process.

At 25^(@)C the enthalpy change, for the ionization of trichloroacetic acid is +"6.3 kJ mol"^(-1) and the entropy change, is +"0.0084 kJ mol"^(-1)K^(-1) . Then pKa of trichloro acetic acid is

The standard free energy change for a reaction is -213.3 KJ mol^(-1) "at" 25^(@)C . If the enthalpy change of the reaction is -217.77 KJ "mole"^(-1) . Calculate the magnitude of entropy change for the reaction in Joule "mole"^(-1)

The enthalpy of vaporisation of water at 100^(@)C is 40.63 KJ mol^(-1) . The value Delta E for the process would be :-

The enthalpy change for first proton neutralisation of H_(2)S is -37.1kJ mol^(-1) . What is the enthalpy change for first ionisation of H_(2)S.' in KJ/mol.

The entropy change for vapourisation of liquid water to steam 100^@C is …. JK^(-1) mol^(-1) . Given that heat of vapourisation is 40.8 kJ mol^(-1) .

ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. Standard entropies of X(2), Y(2) and XY(3) are 60, 40 and 50 JK^(–1) m...

    Text Solution

    |

  2. Intensive property is :-

    Text Solution

    |

  3. In which of following there is decrease in entropy :-

    Text Solution

    |

  4. Which of the following is not a state function?

    Text Solution

    |

  5. If the enthalpy change for the transition of liquid water to steam is ...

    Text Solution

    |

  6. Enthalpy change for the reaction, 4H(g) to 2H2(g) is -869.6 kJ Th...

    Text Solution

    |

  7. Which of the following is correct option for free expansion of an idea...

    Text Solution

    |

  8. Consider the following processes : {:(,DeltaH(kJ//"mol")),(1/2ArarrB...

    Text Solution

    |

  9. The enthalpy of formation of CO(g), CO(2)(g),N(2)O(g) and N(2)O(4)(g) ...

    Text Solution

    |

  10. For adiabatic process which is correct -

    Text Solution

    |

  11. Which of the following is not thermodynamical function /

    Text Solution

    |

  12. Which of the following is intensive property?

    Text Solution

    |

  13. In which of the following reactions, standard reaction entropy changes...

    Text Solution

    |

  14. Standard enthalpy of vaporisation Delta("vap")H^(@) for water at 100^(...

    Text Solution

    |

  15. The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy c...

    Text Solution

    |

  16. The Gibbs energy for the decomposition of Al2O3 at 500^@C is as follow...

    Text Solution

    |

  17. At equilibrium which is correct?

    Text Solution

    |

  18. The dissociation energy of CH(4)(g) is 360 kcal mol^(-1) and that of C...

    Text Solution

    |

  19. Which of the following is true for ideal solution :-

    Text Solution

    |

  20. Which thermodynamic parameter is not a state function :-

    Text Solution

    |