Home
Class 12
CHEMISTRY
For the reaction, A (g) + 2B(g) rarr 2C(...

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:

A

`20.8 Kcal`

B

`35.6 Kcal`

C

`18.8 Kcal`

D

`17.8 Kcal`

Text Solution

Verified by Experts

The correct Answer is:
D

`N//A`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPER

    ALLEN|Exercise Exercise (Chemistry)|161 Videos
  • TEST PAPER

    ALLEN|Exercise Exercise (Chemstry)|26 Videos
  • SURFACE CHEMISTRY

    ALLEN|Exercise ASSERTION & REASO|20 Videos
  • TEST PAPER 1

    ALLEN|Exercise CHEMISTRY|11 Videos

Similar Questions

Explore conceptually related problems

X(g) + 2Y(g) rarr 2Z(g) + 3A(g) The change in enthalpy at 27^(@)C is 79.5 kJ. The value of Delta U is

For the reaction, A(s) + 3B(g) rarr 4C(g) + d(l) Delta H and Delta U are related as :

The value of enthalpy change ( DeltaH ) for the reaction C_2H_5OH(l) + 3O_2(g) to 2CO_2(g) +3H_2O(l) at 27^@C is -1366.5 kJ mol^(-1) . The value of internal energy change for the above reaction at this temperature will be

For the reaction 2A (g) + B(g) to C (g) Delta U^(@) = 20 kcal/mole, Delta S^(@) = 100 cal/kmole at 300 K. Hence Delta G^(@) in kcal is __________ [R = 2 cal mol^(-1) K^(-1)]

3 moles of A and 4 moles of B are mixed together and allowed to come into equilibrium according to the following reaction. 3A(g) + 4B(g) rarr 2C(g) + 3D(g) When equilibrium is reached, there is 1 mole of C. The equilibrium constant of the reaction is

For a gaseous reaction A(g) + 3 B(g) rightarrow 3C(g) + 3D(g) Delta 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

At 1000 K, the value of K_(p) for the reaction: A(g) + 2B(g)hArr3C(g) + D(g) is 0.05 atmosphere. The value of K_(c) in terms of R would be:

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

For the reaction at 298 K A(g) + B(g) hArr C(g) + D(g) If DeltaH^(@) =29.8 Kcal and DeltaS^(@)=0.1 Kcal K^(-1) then calculate reaction constant (k)

For the formation of C(g) "at" 300 K. A(g) + 3B(g) rarr 2C(g) Calculate the magnitude of DeltaG^(@) (Kcal) if given data: {:(,A,B,C),(DeltaH_(f)^(@)("Kcal mol"^(-1)),0,0,-10),(DeltaS_(f)^(@) ("Cal K"^(-1) "mol"^(-1)), 40,30,45):}

ALLEN-TEST PAPER-Exercise (Chemstry)
  1. For the reaction, A (g) + 2B(g) rarr 2C(g) + 3D(g) the change of entha...

    Text Solution

    |

  2. Assertion (A): The enthalpy of formation of H(2)O(l) is greater than t...

    Text Solution

    |

  3. Assertion :- The molarity of a certain solution is always greater than...

    Text Solution

    |

  4. Assertion :- K(c) for process 2H(2)O(l)hArr2H(2)O((g))+O(2(g))may be w...

    Text Solution

    |

  5. Assertion :- Adding inert gas at equilibrium to dissociation of PCl(...

    Text Solution

    |

  6. Assertion (A) At constant temperature, pV vs V plot for real gases is ...

    Text Solution

    |

  7. Assertion :- Change in internal energy is zero for all gases at consta...

    Text Solution

    |

  8. Assertion :- Following amide exist in two structural forms. Reaso...

    Text Solution

    |

  9. Assertion :- Benzaldehyde forms two oximes on reaction with NH(2)OH. ...

    Text Solution

    |

  10. Assertion : -I effect of Cl atom is greater than F atom. Reason : Cl...

    Text Solution

    |

  11. Assertion: Cyclobutane is less stable than cyclopentane Reason : T...

    Text Solution

    |

  12. Assertion : The IUPAC name for the compound C(6)H(5)COOCH(2)CH(2)COOH ...

    Text Solution

    |

  13. Assertion :- The IUPAC name for the compound is 7-oxabicyclo [4,1,3] ...

    Text Solution

    |

  14. Assertion :- The IUPAC name of the compound is cyclohexylidene methan...

    Text Solution

    |

  15. Assertion (A) Electron gain enthalpy becomes less negative as we go do...

    Text Solution

    |

  16. Why does the reaction. proceed better with KF than with NaF ?

    Text Solution

    |

  17. Assertion :- Fire in reaction between saline hydride and water can ...

    Text Solution

    |

  18. Assertion :- BaSO(4) forms white ppt in water. Reason :- Its lattice...

    Text Solution

    |

  19. Assertion (A) SF(6) cannot be hydrolysed but SF(4) can be. Reason...

    Text Solution

    |

  20. A:Mn(2)O(7), is acidic in nature R: My has +7 oxidation state:

    Text Solution

    |

  21. Assertion (A) : Silicones are water repelling in nature Reason (R) :...

    Text Solution

    |