Home
Class 11
CHEMISTRY
The difference between heats of reaction...

The difference between heats of reaction at constant pressure and constant volume for the reaction,
`2C_6H_6(l) + 15O_2(g) to 12CO_2(g) + 6H_2O (l)`
at `25^@C` in kJ is

Text Solution

Verified by Experts

By using the relation, `DeltaH= Delta U + Deltan RT`
Promotional Banner

Topper's Solved these Questions

  • SELF ASSESSMENT PAPER 1

    ICSE|Exercise Questions|70 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ICSE|Exercise NCERT TEXT-BOOK EXERCISES (WITH HINGS AND SOLUTIONS) |36 Videos

Similar Questions

Explore conceptually related problems

The difference between the heats of reaction at constant pressure and a constant volume for the reaction 2C_(6)H_(6)(l) + 15O_(2)(g) rarr 12CO_(2)(g) + 6H_(2)O(l) at 25^(@)C in kJ is

Difference between the heats of reaction at constant pressure and a constant volume for the reaction 2C_(6)H_(6)(l) + 15O_(2)(g) rarr 12CO_(2)(g) + 6H_(2)O(l) at 25^(@)C in kJ is

The difference between heat of reaction at constant pressure and constant volume for the reaction 2C_4H_10 (g) + 13 0_2 (g) rarr 8CO_2 (g) + 10H_2O (l), at 27 ^@ C is

The difference between heat of reaction at constant pressure and at constant volume for the reaction C_6H_12(l) + 90_2(g) rightarrow 6CO_2(g)+6H_2O(l), at 27^oC is

Delta_(f)H^(Theta) per mole of NH_(3)(g). NO(g) , and H_(2)O(l) are -11.04 + 21.60 and -68.32 kcal , respectively. Calculate the standard heat of reaction at constant pressure and at a constant volume for the reaction: 4NH_(3)(g) +5O_(2)(g) rarr 4NO(g) +6H_(2)O(l)

For the reaction C_2H_(5)OH(l) + 3 O_(2)(g) rightarrow 2CO_(2)(g) + 3 H_(2)O(l) , which one is true ?

Write the equilibrium constant of the reaction C(s)+H_(2)O(g)hArrCO(g)+H_(2)(g)

Determine which of the following reactions at constant pressure represent surrounding that do work on the system environment : (P) 4NH_(3)(g) + 7O_(2)(g) to 4 NO_(2) (g) + 6H_(2)O(g) (Q) CO(g)+ 2H_(2)(g) to CH_(3)OH(l) (R) C("s,graphite")+H_(2)O(g) to CO(g)+H_(2)(g) (S) H_(2)O(s) to H_(2)O(l)

For combustion of 1 mole of benzene at 25^(@)C , the heat of reaction at constant pressure is -780.9" kcal." What will be the heat of reaction at constant volume ? C_(6)H_(6(l))+7(1)/(2)O_(2(g))rarr 6CO_(2(g))+3H_(2)O_((l))

ICSE-SELF ASSESSMENT PAPER 2-Questions
  1. What happens when quick lime is heated with silica ?

    Text Solution

    |

  2. What happens when chlorine reacts with slaked lime?

    Text Solution

    |

  3. The difference between heats of reaction at constant pressure and cons...

    Text Solution

    |

  4. State and explain Hess's law of constant heat summation. Illustrate it...

    Text Solution

    |

  5. Name a pollutant which is carcinogenic in nature

    Text Solution

    |

  6. What do you mean by green chemistry? How will it help decrease environ...

    Text Solution

    |

  7. What is the main difference between position isomerism and functional ...

    Text Solution

    |

  8. Why is meso-tartaric acid regarded achiral in nature ?

    Text Solution

    |

  9. Explain the structures of PCl5 and SF6 with in the framework of octet ...

    Text Solution

    |

  10. Balance the following equations by oxidation number method. HNO(3)to...

    Text Solution

    |

  11. Assign oxidation number to the underlined elements in each of the foll...

    Text Solution

    |

  12. Assign oxidation number to the underlined elements in each of the foll...

    Text Solution

    |

  13. Assign oxidation number to the underlined elements in each case (ul(...

    Text Solution

    |

  14. Calculate the oxidation number of the underlined atoms in the followin...

    Text Solution

    |

  15. Balance the following equations by ion electron method. H(2)C(2)O(4...

    Text Solution

    |

  16. Consider the elements : Cs ,Ne , I and F (a) Identify the element...

    Text Solution

    |

  17. Consider the elements : Cs ,Ne , I and F (a) Identify the element...

    Text Solution

    |

  18. Consider the elements : Cs ,Ne , I and F (a) Identify the element...

    Text Solution

    |

  19. Consider the elements : Cs ,Ne , I and F (a) Identify the element...

    Text Solution

    |

  20. Deduce the structural formula of compounds (A) and (B) on the basis of...

    Text Solution

    |