Home
Class 11
CHEMISTRY
For a reaction 2A(g)+3B(g) to 2C(g)+D(g)...

For a reaction `2A(g)+3B(g) to 2C(g)+D(g)`, calculate the magnitude of `DeltaH_(400K)^(@)` of the reaction from the given data.
`DeltaH_(f)^(@)A=(200+10^(-2)T^(2))J`
`DeltaH_(f)^(@)B=(100+2xx10^(-3)T^(2))J`
`DeltaH_(f)^(@)C=(200+2xx10^(-2)T^(2))J`
`DeltaH_(f)^(@)D=(100+2xx10^(-3)T^(2))J`
Express your answer in kJ and round off to nearest integer.

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

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):}

Calculate DeltaH_(f)^(@) for chloride ion from the following data : (1)/(2)H_(2(g))+(1)/(2)Cl_(2(g))rarr HCl_((g)),DeltaH_(f)^(@)=-92.4kJ HCl_((g))+nH_(2)O rarr H_((aq.))^(+)+Cl_((aq.))^(-),DeltaH^(@)=-74.8kJ DeltaH_(f)^(@) H_((aq.))^(+)=0.0kJ

Find bond enthalpy of S-S bond from the following data: C_(2)H_(5)-S-C_(2)H_(5)," "DeltaH_(f)^(@)=-147.2kJ" "mol^(-1) C_(2)H_(5)-S-S-C_(2)H_(5)," "DeltaH_(f)^(@)=-201.9kJ" "mol^(-1) S(g)," "DeltaH_(f)^(@)=222.8kJ" "mol^(-1)

Calculate the values of DeltaE^(@) and DeltaH^(@) for the reaction: 2A_((g))+B_((g))hArrA_(2)B_((g)) for which K_(p)=1.0xx10^(-10)atm^(-2) and DeltaS=5 JK^(-1) and T=300 K .

Calculate the standard enthalpy of reaction ZnO(s)+CO(g)rarrZn(s)+CO_(2)(g) Given, Delta H_(f)(ZnO,s)=-350KJ//"mole",DeltaH_(f)^(@)(CO_(2),g)= -390KJ//"mole", DeltaH_(f)^(@)(CO,g)=-110KJ//"mole"

If bond energy of H_(2),F_(2) and HF are in the ratio 2:1:3 and DeltaH_(a)(H_(2))=400kJ//mol . Then DeltaH_(f)(HF) is :

The values of DeltaH and DeltaS for two reactions are given below: Reaction A : DeltaH =- 10.0 xx 10^(3)J mol^(-1) DeltaS = +30 J K^(-1) mol^(-1) Reaction B: DeltaH =- 11.0 xx 10^(3)J mol^(-1) DeltaS =- 100J K^(-1) mol^(-1) Decide whether these reactions are spontaneous or not at 300K .

The Delta_(r)H^(@) for the reaction, 4S(s) + 6O_(2)(g) to 4SO_(3)(g) is -1583.2 kJ.Calculate DeltaH_(f)^(@) of sulphur trioxide.

Determine DeltaH_(rxn) for the reaction in KJ . mol^(-1) 2NH_(3)(g)+(5)/(2)O_(2)(g)to2NO(g)+3H_(2)O(g).

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. Molar enthalpy of vaporisation of water at 1atm, 500 K " is" 1100 " ca...

    Text Solution

    |

  2. Which of the following are intensive properties? Boiling point Mel...

    Text Solution

    |

  3. For a reaction 2A(g)+3B(g) to 2C(g)+D(g), calculate the magnitude of D...

    Text Solution

    |

  4. 12.5 millinmole of NH(4)NO(3) dissolved in enough water to make 25.0 m...

    Text Solution

    |

  5. A gas expands from a valume of 3 dm^(3) " to " 30 dm^(3) against a con...

    Text Solution

    |

  6. Calculate DeltaG (in bar-L) when a definite mass of a monoatomic ideal...

    Text Solution

    |

  7. How much heat (in kJ) should be supplied to a rigid conducting vessel ...

    Text Solution

    |

  8. A gaseous reaction A(g) hArrB(g) is at equilibrium under standard con...

    Text Solution

    |

  9. At 500 kbar pressure density of diamond and graphite are 3 "g"//"cc" ...

    Text Solution

    |

  10. Calculate DeltaG(reaction) ("kJ"//"mol") for the given reaction at 300...

    Text Solution

    |

  11. An imaginary engine, is capable of expanding the gas upto 10^(13) time...

    Text Solution

    |

  12. The heat evolved on combustion of 1 gm of starch, (C(6)H(10)O(5))x, in...

    Text Solution

    |

  13. Consider the following six conditions. (Serial number 1 to6). Select t...

    Text Solution

    |

  14. Calculate Delta G (in joule) for the reaction 2A(g) to B(g)+C(g) w...

    Text Solution

    |

  15. 4 mole H(2)O(g),2.5mole H(2), 2.5 mole CO(g) and 1 mole inert gas He a...

    Text Solution

    |

  16. For the reaction, N(2)(g)+O(2)(g)hArr2NO(g), " " Delta G^(@)=18.6 ...

    Text Solution

    |

  17. Calculate the magnitude of ring strain energy in ("kJ"//"mol") of cycl...

    Text Solution

    |

  18. The standard molar enthalpies of formation of H(2)O(l) " and " H(2)O(2...

    Text Solution

    |

  19. The standard molar enthalpies of formation of IF(3)(g)" and " IF(5)(g...

    Text Solution

    |

  20. Ethalpy for the reaction Ag^(+)(aq)+Br^(-)(aq)toAgBr(s) " is" -90 kJ...

    Text Solution

    |