Home
Class 12
CHEMISTRY
The entropy change for vaporisation of l...

The entropy change for vaporisation of liquid water to steam at `100^@C` is _____`JK^-1 mol^-1`, Given that heat of vapori-sation is `40.8kJ mol^-1`.

A

109.38

B

100.38

C

110.38

D

120.38

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

  • TRANSITION METALS (d-BLOCK ELEMENTS)

    MBD PUBLICATION|Exercise QUESTION BANK|1320 Videos

Similar Questions

Explore conceptually related problems

Entropy of vaporisation of water at 100^@C , if molar heat of vaporisation is 9710 cal mol^-1 will be:

Calculate the entropy change involved in the conversion of one mole of water at 373 K to vapour at the same temperature.(Latent heat of vaporisation of water at this temperature , Delta H_vap = 2.257 kJg^-1 )

H_2(g)+1/2O_2(g)=H_2O(l) , triangleH_298k =-68.32 kcal. Heat of vaporisation of water at 1 atm and 25^@C is 10.52 kcal. The standard heat of formation(in kcal) of 1 mole of water vapour at 25^@C is:

Enthalpy of vaporisation for water is 186.5kJ mol^-1 . The entropy change during vaporisation is____kJ K^-1mol^-1 :

For the reversible vaporisation of water at 100^@C and 1 atmospheric pressure, triangleG is equal to:

Calculate the entropy of vaporisation for liquid boiling at 300K having enthalpy of vapourisation, 27kJ mol^-1 .

Define activation energy. If the activation energy for the forward reaction is 360kJ mol^-1 and that for the backward reaction is 500 kJ mol^-1 , what is the enthalpy change for the reaction?

The enthalpy of formation of ammonia gas at 298 K is -46.11kJ mol^-1 . The equation to which this value related is:

How much heat is required to convert 1 g of ice at 0^@C to water at 100^@C ?

Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is 10.0 kcal/mol. What will be the change in internal energy (triangleE) of 3 mole of liquid at same temperature:

MBD PUBLICATION-THERMODYNAMICS-Question Bank
  1. When no heat energy is allowed to enter or leave the system it is call...

    Text Solution

    |

  2. The triangleG in the process of melting of ice at - 156@C is:

    Text Solution

    |

  3. The entropy change for vaporisation of liquid water to steam at 100^@C...

    Text Solution

    |

  4. The work done by 100 calorie of heat is:

    Text Solution

    |

  5. The work done by a system is 8 J, when 40 J heat is supplied to it. Th...

    Text Solution

    |

  6. The work done during the process when 1 mole of gas is allowed to expa...

    Text Solution

    |

  7. The maximum work done in expanding 16 g oxygen at 300K and occupying a...

    Text Solution

    |

  8. If temperature remains contant during a reaction the process is called...

    Text Solution

    |

  9. A gaseous system change form state A(P1, V1, T1) to B(P2, V2, T2), B t...

    Text Solution

    |

  10. Work done by the system on surrounding is

    Text Solution

    |

  11. During isothermal transformation of an ideal gas, internal energy:

    Text Solution

    |

  12. When a solid is changed into liquid the entropy

    Text Solution

    |

  13. Write van't Hoffequation ?

    Text Solution

    |

  14. 1 litre - atmosphere is equal to:

    Text Solution

    |

  15. Decrease in free energy of a reacting system indicates to:

    Text Solution

    |

  16. An ideal gas undergoing expansion in vacuum shows:

    Text Solution

    |

  17. It is impossible to attain the lowest temperature known as zero degree...

    Text Solution

    |

  18. An example of extensive property is:

    Text Solution

    |

  19. It is a general principle that the less energy of a system then it is:

    Text Solution

    |

  20. triangleS for the reaction, MgCO3(s)rarrMgO(s)+CO2(g) will be

    Text Solution

    |