Home
Class 11
CHEMISTRY
Calculate standard entropy change in the...

Calculate standard entropy change in the reaction
`Fe_(2)O_(3)(s)+3H_(2)(g) rarr 2Fe(s)+3H_(2)O(l)`
Given `: S_(m_(0))(Fe_(2)O_(3).S)=87.4,S_(m)^(@)(Fe,S)=27.3`
`S_(m)^(@)(H_(2),g)=130.7,S_(m)^(@)(H_(2)O,l)=69.9JK^(-1)mol^(-1)`

A

`-212.5 JK^(-1)mol^(-1)`

B

`-215.2 JK^(-1)mol^(-1)`

C

`-120.9 JK^(-1)mol^(-1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • SALT ANALYSIS

    GRB PUBLICATION|Exercise Subjective Type|69 Videos

Similar Questions

Explore conceptually related problems

For the reaction Fe_2N(s)+(3)/(2)H_2(g)=2Fe(s)+NH_3(g)

Calculate standard entropy change in the reaction Fe_(2)O_(3)+3O_(a)(g)to 2Cr_(2)O_(3)(s) DeltaG^(@)=-2093.4 KJmol, DeltaH_(f)^(@)Cr_(2)O_(3)(s)=-1129.05KJ//"mole", S_(m)^(@)Cr(s)=24J//Kmol, S_(m)^(@)Cr_(2)O_(3)(s)=81j//Kmol

Calculate DeltaH at 85^(@)C for the reaction: Fe_(2)O_(3)(s) +3H_(2)(g) rarr 2Fe(s) +3H_(2)O(l) The data: DeltaH_(298)^(Theta) =- 33.0 kJ mol^(-1) and {:("Substance",Fe_(2)O_(3)(s),Fe(s),H_(2)O(l),H_(2)(g)),(C_(P)^(@)(JK^(-1)mol),103.0,25.0,75.0,28.0):}

What is the value of Delta s^(@) for the reaction below? Fe_(2)O_(3)(s)+3CO(g)to2Fe(s)+3CO_(2)(g)

In the following reaction, 2H_(2)S(g)+SO_(2)(g) rarr 3S(s)+2H_(2)O(l) One equivalent of H_(2)S(g) will reduce

Calculate Delta_(r)S_(m)^(Theta) for the reaction: 4Fe(s)+3O_(2)(g) rarr 2Fe_(2)O_(3)(s) Given that S_(m)^(Theta)(Fe) = 27.3J K^(-1) mol^(-1) , S_(m)^(Theta)(O_(2)) = 205.0J K^(-1)mol^(-1) and S_(m)^(Theta)(Fe_(2)O_(3)) = 87.4 J K^(-1) mol^(-1) .

Balance the following chemical eqution: Fe(s)+H_(2)O(g)rarrFe_(3)O_(4)(s)+H_(2)(g)

GRB PUBLICATION-THERMODYNAMICS-All Questions
  1. Calculate the standard enthalpy of formation of acetylena from the fol...

    Text Solution

    |

  2. Calculate standard entropy change in the reaction Fe(2)O(3)+3O(a)(g...

    Text Solution

    |

  3. Calculate standard entropy change in the reaction Fe(2)O(3)(s)+3H(2)...

    Text Solution

    |

  4. Heat produced by burning 1 mol carbon with O(2) to CO(2) is 80 KJ and ...

    Text Solution

    |

  5. Which of the following enthalpy is always positive ?

    Text Solution

    |

  6. If bond enthalpies Of N-=N,H-Hand N-H bonds are x(1),x(2)and x(3) resp...

    Text Solution

    |

  7. The C-Cl bond energy can be calculated from:

    Text Solution

    |

  8. oxidising power of chlorine in aqueous solution can be determined by t...

    Text Solution

    |

  9. Which Statement is correct at 25^(@)Cand 1 atm pressure?

    Text Solution

    |

  10. The enthalpy of gas phase trimerzation of one mole of gaseous formalde...

    Text Solution

    |

  11. During complete combustion of one mole of butane ,2658Kj of heat is...

    Text Solution

    |

  12. The Standard heat of formation of carbon atom gaseous state in KJ/m...

    Text Solution

    |

  13. On the basic of thermochemical equations (I),(II)and (III), Find out w...

    Text Solution

    |

  14. Consider the reactions given below .On the basis of these reactions ,F...

    Text Solution

    |

  15. The enthalpy of elements in their standard atates are taken as zero .T...

    Text Solution

    |

  16. Enthalpy of sublimation of a substance is equal to :

    Text Solution

    |

  17. For the given reaction: H(2)(g)+Cl(2)(g) to2H^(+)(aq)+2Cl^(-)(aq) ...

    Text Solution

    |

  18. Using the data provided, calculate the multiple bond energy (kJ mol^(-...

    Text Solution

    |

  19. Calculate the Enthalpy of hydrogenation of If the Delta(f)H of and a...

    Text Solution

    |

  20. The enthalpies of vombustion of formaldehyde and paraformaldehyde (a p...

    Text Solution

    |