Home
Class 11
CHEMISTRY
Which of the following is true for a rea...

Which of the following is true for a reaction `H_(2)O(l)toH_(2)O(g)` at `100^(@)C`, `1` atm. Pressure

A

`DeltaH = DeltaU`

B

`DeltaU = 0`

C

`DeltaH = 0`

D

`DeltaH = T DeltaS`

Text Solution

Verified by Experts

The correct Answer is:
D
The reaction is at equilibrium so that `DeltaH = TDeltaS`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Competition File (Matching Type Questions)|2 Videos

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Competition File (Matrix Matching Type Questions)|4 Videos

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Higher Order Thinking Questions|16 Videos

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise Unit Practice Test|13 Videos

Similar Questions

Explore conceptually related problems

Which of the following is true fo the reacion H_(2)O(l)hArr H_(2)O(g) at 100^(@)C and 1 atmosphere

Which of the followingk is true for the process H_(2) O (s) = H_(2) O (l) at 0^(@)C and 1 atm?

For the process H_(2)O(l)toH_(2)O(g) at t=100^(@)C and 1 atmosphere pressure, the correct choice is:

What is entropy change?Predict the sign of entropy chsnge in each of the following giving reasons for your predictions : (i) H_(2) (at 25^(@)C, 1 atm) to H_(2)(at 25^(@)C and 10 atm)) (ii) H_(2)O(at 25^(@)C, 1 atm ) to H_(2)O(at 50^(@)C and 1 atm)) (iii) 2NH_(4)NO_(3)(s) to 2N_(2)(g) + 4H_(2)O(g) + O_(2)(g)

MODERN PUBLICATION-THERMODYNAMICS-Competition File MCQ
  1. If Delta(f)G^(@) for NH(3)(g) is -16.4 kJ "mol"^(-1), thenDeltaG^(@) ...

    Text Solution

    |

  2. For an ideal gas expanding adiabatically in vacuum,

    Text Solution

    |

  3. Which of the following is true for a reaction H(2)O(l)toH(2)O(g) at 10...

    Text Solution

    |

  4. Considering entropy (S) as a thermodynamic parameter, the criterion fo...

    Text Solution

    |

  5. A reaction occurs spontaneously if

    Text Solution

    |

  6. The enthalpy and entropy change for the reaction: Br(2)(l) + CI(2)(g...

    Text Solution

    |

  7. For a spontaneous reaction, the DeltaG, equilibrium constant (K) and E...

    Text Solution

    |

  8. Given that the bond energies of H - H and CI - CI are 430 kJ "mol"^(-...

    Text Solution

    |

  9. If 50 kJ of energy is needed for muscular work to walk a distance of 1...

    Text Solution

    |

  10. The average molar heat capacities of ice and water are respectively 37...

    Text Solution

    |

  11. Entropy changes for the process H(2)O(l) to H(2)O(g) at normal press...

    Text Solution

    |

  12. The heat of atomisation of PH(3)(g) and P(2)H(4)(g) are 954 kJ "mol"^...

    Text Solution

    |

  13. The values of DeltaH and DeltaS for the reaction, C("graphite") + CO...

    Text Solution

    |

  14. Standard entropies of X(2), Y(2) and XY(3) are 60,40 and 50 kJ "mol"^...

    Text Solution

    |

  15. Four grams of graphite is burnt in a bomb calorimeter of heat capacity...

    Text Solution

    |

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

    Text Solution

    |

  17. Which of the follwoing correct option for free expansion of an ideal g...

    Text Solution

    |

  18. In which of the following reactions, standard reaction entropy change ...

    Text Solution

    |

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

    Text Solution

    |

  20. In the following reaction: 4NO(2)(g) + O(2)(g) to 2N(2)O(5)(g), Del...

    Text Solution

    |