Home
Class 12
CHEMISTRY
For the reaction A(g)+2B(g)rarr2C(g)+3...

For the reaction
`A(g)+2B(g)rarr2C(g)+3D(g)`,
the value of `DeltaH` at `27^(@)C` is `19.0 kcal`. The value of `DeltaE` for the reaction would be
`(R=2.0 cal H^(-1)mol^(-1))`

A

20.8 kcal

B

19.8 kcal

C

18.8 kcal

D

17.8 kcal

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Set 2|18 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B|56 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Practice problems|81 Videos
  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos
  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

For the reaction, A (g) + 2B(g) rarr 2C(g) + 3D(g) the change of enthalpy at 27^@C is 19 kcal. The value of Delta E is:

For the reaction at 298 K A(g) + B(g) hArr C(g) + D(g) If DeltaH^(@) =-29.8 Kcal and DeltaS^(@) Kcal K^(-1) then calculate reaction constant (k)

For a gaseous reaction A(g) + 3 B(g) rightarrow 3C(g) + 3D(g) Delat E is 27 kcal at 37^(@)C . Assuming R = 2 cal K^(-1) mol^(-1) the value of Delta H for the above reaction will be

For a gaseous reaction, A(g)+3B(g)to3C(g)+3D(g),DeltaD is 17 kcal at 27^(@)C . Assuming R=2cal" "K^(-1)mol^(-1) , the value of DeltaH for the above reaction is:

OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. DeltaG^(ɵ) for the reaction X+YhArrC is -4.606 kcal at 1000 K. The equ...

    Text Solution

    |

  2. The enthalpy of dissolution of BaCl(2)(s) and BaCl(2).2H(2)O are -20.6...

    Text Solution

    |

  3. For the reaction A(g)+2B(g)rarr2C(g)+3D(g), the value of DeltaH at...

    Text Solution

    |

  4. In thermodynamics, a process is called reversible when

    Text Solution

    |

  5. The heat liberated when 1.89 g of benzoic acid is burnt in a bomb calo...

    Text Solution

    |

  6. One mole of a non-ideal gas undergoes a change of state (2.0atm,3.0L,9...

    Text Solution

    |

  7. Which of the reaction defines molar DeltaH(f)^(@) ?

    Text Solution

    |

  8. The enthalpies of formation of Al(2)O(3) and Cr(2)O(3) are -1596KJ and...

    Text Solution

    |

  9. Which of the following is true for spontaneous process?

    Text Solution

    |

  10. Considering entropy (S) as a thermodynamics parameter, the criterion f...

    Text Solution

    |

  11. An ideal gas expands from 1xx10^(-3)m^(3) to 1xx10^(-2)m^(3) at 300K a...

    Text Solution

    |

  12. What is the value of internal energy change (DeltaU) at 27^(@)C a gase...

    Text Solution

    |

  13. Two moles of an ideal gas is expanded isothermally and reversibly from...

    Text Solution

    |

  14. The enthalpy of vaporisation of a liquid is 30 kJ mol^(-1) and entropy...

    Text Solution

    |

  15. The sublimation energy of I(2) (solid) is 57.3 KJ/mole and enthalpy o...

    Text Solution

    |

  16. DeltaH and DeltaS for a reaction are +30.558 kJ mol^(-1) and 0.066 kJ ...

    Text Solution

    |

  17. What would be the heat released when an aqueous solution containing 0....

    Text Solution

    |

  18. A process in which the system does not exchange heat with the surround...

    Text Solution

    |

  19. The entropy of a crystalline substance a absolute zero on the basis of...

    Text Solution

    |

  20. Which of the following expressions is correct?

    Text Solution

    |