Home
Class 12
CHEMISTRY
For vaporization of water at 1bar,DeltaH...

For vaporization of water at 1bar,`DeltaH=40.63kJ mol^(-1)`and `DeltaS = 108.8 JK ^(-1) mol^(-1)`At what temperature, `DeltaG=0`?

A

273.4K

B

393.4K

C

373.4K

D

293.4K

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics

    CHETANA PUBLICATION|Exercise EXERCISE|95 Videos

  • CHEMICAL KINETICS

    CHETANA PUBLICATION|Exercise EXERCISE|112 Videos

  • COORDINATION COMPOUNDS

    CHETANA PUBLICATION|Exercise EXERCISE|179 Videos

Similar Questions

Explore conceptually related problems

For the reaction Ag_(2)O(s)rarr 2Ag(s)+1//2O_(2)(g) the value of Delta H=30.56 KJ mol^(_1) and Delta S = 66 JK^(-1)mol^(-1) . The temperature at which the free energy change for the reaction will be zero is :-

1 S m^2 mol^(-1) is equals to

For a certain reaction DeltaH = - 25 kJ and DeltaS = - 40 JK^(-1) . At what temperature will it change from spontaneous to non-spontaneous reaction?

For a certain reaction, DeltaH^@ =- 224 kJ and DeltaS^@=- 153 JK^(-1) . At what temperature will it change from spontaneous to non-spontaneous?

1 S m^2 mol^(-1) is equal to

For a certain reaction, DeltaH^@ =- 224 kj and DeltaS^@=-153JK^(-1) . At what temperature the change over from spontaneous to non-spontaneous will occur?

For a reaction, DeltaH = 9.08 kJ mol^-1 and DeltaS =35.7 J K^-1 mol^-1 at 298 K. Which of the following is CORRECT for the reaction at 298 K?

Standard enthalpy and standard entropy changes for the oxidation of ammonia at 298 K are -382.64 kJ mol^(-1) and -145.6 JK^(-1)mol^(-1) respectively. Standard Gibbs energy change for the same reaction at 298 K is

CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. 6.24 g of ethanol are vaporized by supplying 5.89kJ of heat.Enthalpy o...

    Text Solution

    |

  2. If the standard enthalpy of formation of methanol is -238.9 kJ mol^(-1...

    Text Solution

    |

  3. For vaporization of water at 1bar,DeltaH=40.63kJ mol^(-1)and DeltaS = ...

    Text Solution

    |

  4. Bond enthalpies of H-H, Cl-Cl and H-Cl bonds are 434 kj mol^(-1), 242 ...

    Text Solution

    |

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

    Text Solution

    |

  6. Which of the following is not an extensive property?

    Text Solution

    |

  7. An endothermic reaction is one in which heat content of

    Text Solution

    |

  8. In a chemical reaction, work is done by the system when

    Text Solution

    |

  9. Which of the following is an intensive property?

    Text Solution

    |

  10. When a sample of an ideal gas is allowed to expand at constant tempera...

    Text Solution

    |

  11. A gas of 0.320 kJ works on its surroundings and absorbs 120 J of heat ...

    Text Solution

    |

  12. In the reaction, H2 + Cl2 rarr 2HCl DeltaH =-184 kJ, if 2 moles of H2 ...

    Text Solution

    |

  13. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

    Text Solution

    |

  14. For which of the following substances DeltafH^@ is not zero.

    Text Solution

    |

  15. If for a reaction, DeltaH is negative and DeltaS is positive then the ...

    Text Solution

    |

  16. Properties of a system which are proportional to the quantity of matte...

    Text Solution

    |

  17. Obtain the relationship between DelatG^@ of a reaction and equilibrium...

    Text Solution

    |

  18. DeltaH for the reaction 2H(g) rarr H2(g) will be

    Text Solution

    |

  19. For the process, H2O(l) rarr H2O((g)) at 100^@C, DeltaS is

    Text Solution

    |

  20. Which represents largest amount of energy?

    Text Solution

    |