Home
Class 12
CHEMISTRY
The heat evolved in a reaction of 7.5 g ...

The heat evolved in a reaction of 7.5 g of `Fe_2O_3` with enough CO is1.164 kj. Calculate `DeltaH^@` for the reaction. (At wt. of Fe = 56) `Fe_2O_3 + 3CO_((g)) rarr 2Fe_((s)) + 3CO_(2(g))`

Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics

    CHETANA PUBLICATION|Exercise EXERCISE|95 Videos

  • CHEMICAL KINETICS

    CHETANA PUBLICATION|Exercise EXERCISE|112 Videos

  • COORDINATION COMPOUNDS

    CHETANA PUBLICATION|Exercise EXERCISE|179 Videos

Similar Questions

Explore conceptually related problems

Justify the following reactions are redox reaction : Fe_(2)O _ 3 (s) + 3CO(g) rarr 2Fe(s) + 2 CO_ 2 (g)

The elementary reaction O_3(g) + O(g) rarr 2 O_2(g) is

In the rusting of iron 4Fe + 3O_2 rarr 2Fe_2O_3 , iron is

Delta H and Delta U for the reaction, 2S_((s))+3O_(2(g)) to 2SO_(3(g)) , are related as _______ .

Classify the following reactions into different types. 2KClO_(3(s)) overset Delta rarr 2KCl_((aq))+3O_(2(g))

Enthalpies of formation of CO_((g)), CO2_((g))N_2O_((g)) 4 N_2O_(4(g)) are -110, -393.81 & 9.7 KJ mol'1 respectively find the value of H for the reaction. N_2O_4 + 3CO_((g)) rarr N_2O_((g)) +3CO_2 ,

How much electricity is required in coulomb for the oxidation of :-1mol of FeO to Fe_2O_3 ?

Justify the following reactions are redox rections : 4NH_3(g) + 5O_2(g) rarr 4NO(g) + 6H_2O (g)

Identify oxidizing agent in the following reactions: Fe_(2)O_(3)+3COrarr2Fe+3CO_(2)

Which statement is NOT true for the given reaction Fe^(3+)+e^(-) to Fe^(2+) ?

CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. The heat evolved in a reaction of 7.5 g of Fe2O3 with enough CO is1.16...

    Text Solution

    |

  2. The correct thermodynamic conditions for the spontaneous reaction at a...

    Text Solution

    |

  3. A gas is allowed to expand in a well insulated container against a con...

    Text Solution

    |

  4. In which of the following entropy of the system decreases?

    Text Solution

    |

  5. The enthalpy of formation for all elements in their standard state is

    Text Solution

    |

  6. Which of the following reaction is exothermic ?

    Text Solution

    |

  7. 6.24 g of ethanol are vaporized by supplying 5.89kJ of heat.Enthalpy o...

    Text Solution

    |

  8. If the standard enthalpy of formation of methanol is -238.9 kJ mol^(-1...

    Text Solution

    |

  9. For vaporization of water at 1bar,DeltaH=40.63kJ mol^(-1)and DeltaS = ...

    Text Solution

    |

  10. Bond enthalpies of H-H, Cl-Cl and H-Cl bonds are 434 kj mol^(-1), 242 ...

    Text Solution

    |

  11. Which of the following is not a state function?

    Text Solution

    |

  12. Which of the following is not an extensive property?

    Text Solution

    |

  13. An endothermic reaction is one in which heat content of

    Text Solution

    |

  14. In a chemical reaction, work is done by the system when

    Text Solution

    |

  15. Which of the following is an intensive property?

    Text Solution

    |

  16. When a sample of an ideal gas is allowed to expand at constant tempera...

    Text Solution

    |

  17. A gas of 0.320 kJ works on its surroundings and absorbs 120 J of heat ...

    Text Solution

    |

  18. In the reaction, H2 + Cl2 rarr 2HCl DeltaH =-184 kJ, if 2 moles of H2 ...

    Text Solution

    |

  19. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

    Text Solution

    |

  20. For which of the following substances DeltafH^@ is not zero.

    Text Solution

    |

  21. If for a reaction, DeltaH is negative and DeltaS is positive then the ...

    Text Solution

    |