Home
Class 12
CHEMISTRY
Under which of the following condition i...

Under which of the following condition is the relation `DeltaH = DeltaU +P DeltaV` valid for a closed system at

A

Constant pressure

B

Constant temperature

C

Constant temperature and pressure

D

Constant temperature, pressure and composition.

Text Solution

Verified by Experts

The correct Answer is:
C
This equation is valid for a closed system at constant temperature and pressure.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos

Similar Questions

Explore conceptually related problems

Under which of the following conditions is the relation, Delta H = Delta E + P Delta V valid for a system :-

For which reaction DeltaH=DeltaU ?

In which of the following reactions, DeltaH gt DeltaU ?

The relation between DeltaU and DeltaH :

Which of the following is the conditional p to q ?

DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. For the reaction, 2NH(3)(g)toN(2)(g)+3H(2)(g), which of the followin...

    Text Solution

    |

  2. The heat of reaction at constant volume (DeltaE) and that at constant ...

    Text Solution

    |

  3. Under which of the following condition is the relation DeltaH = DeltaU...

    Text Solution

    |

  4. For the gaseous reaction: N(2)O(4) rarr 2NO(2)

    Text Solution

    |

  5. The heat of combustion of solid benzoic acid at constant volume is -32...

    Text Solution

    |

  6. For hypothetical reaction A(g) + B(g) to C(g) + D(g) Which of the ...

    Text Solution

    |

  7. DeltaE^(@) of combustion of isobutylene is -X kJ mol^(-1). The value o...

    Text Solution

    |

  8. The difference between DeltaH and Delta E at constant voluem is equal ...

    Text Solution

    |

  9. The reaction given below BaCI(2)(s) +2H(2)O(l) rarr BaCI(2).2H(2)O,D...

    Text Solution

    |

  10. Enthalpy change of the reaction 2H(g) to H(2)(g) is -104 kcal The ...

    Text Solution

    |

  11. According to latest sign conventions, the correct expression represent...

    Text Solution

    |

  12. 'If a system A is in thermal equilibrium with B and B is in thermal eq...

    Text Solution

    |

  13. According to Hess's law, the thermal effects of a reaction depends on

    Text Solution

    |

  14. Hess's law states,

    Text Solution

    |

  15. Which of the following statements relationship is not correct?

    Text Solution

    |

  16. A hypothetical reaction, A rarr 2B, proceeds via following sequence of...

    Text Solution

    |

  17. N(2)(g) +2O(2)(g) rarr 2NO(2)(g) +X kJ 2NO(g)+O(2)(g) rarr 2NO(2) +Y...

    Text Solution

    |

  18. Enthalpy of formation of compound is

    Text Solution

    |

  19. The value of DeltaH for the process given below, NH(4)OH(aq)toNH(4)^(+...

    Text Solution

    |

  20. i. H(2)(g) +CI(2)(g)rarr 2HCI(g),DeltaH =- x kJ ii. NaCI +H(2)SO(4) ...

    Text Solution

    |