Home
Class 11
CHEMISTRY
The enthalpies of formation of CO2(g),H2...

The enthalpies of formation of CO2(g),H2O(l) and C2H4(g) ​ are respectively −393.5,−286 and +52.3kJmol −1 . The enthalpy change for the combustion of C2H4(g) ​ is ?

Text Solution

AI Generated Solution

To find the enthalpy change for the combustion of C2H4 (ethene), we can follow these steps: ### Step 1: Write the balanced equation for the combustion of C2H4 The combustion of ethene can be represented by the following balanced chemical equation: \[ \text{C}_2\text{H}_4(g) + 3\text{O}_2(g) \rightarrow 2\text{CO}_2(g) + 2\text{H}_2\text{O}(l) \] ...
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise NCERT TEXT-BOOK. EXERCISES|22 Videos

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise ASSERTION -REASON TYPE QUESTIONS|9 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    ICSE|Exercise NCERT TEXT-BOOK EXERCISES ( WITH HINTS AND SOLUTIONS)|47 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ICSE|Exercise NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)|63 Videos

Similar Questions

Explore conceptually related problems

From the following data, calculate the enthalpy change for the combustion of cyclopropane at 298K . The enthalpy of formation of CO_(2(g)),H_(2)O_((l)) and Propen e_((g)) are -393,-285.8 and 20.42 kJ mol^(-1) respectively. The enthalpy of isomerisation of cyclopropane to propene is -33.0kJ mol^(-1)

If enthalpies of formation of C_(2)H_(4)(g)1 ,CO_(2) and H_(2)O(l) at 25(@)C and 1 atm pressure be 52,-394 and -286kJmol^(-1) respectively ,the enthalpy of combustion of C_(2)H_(4)(g) will be

The enthalpy of combustion of C, H , and sucrose are -393.5 , -286.2, and -5644.2 kJ/mol calculate the enthalpy of formation of sucrose .

From the following data, calculate the enthalpy change for the combustion of cyclopropane at 298K . The enthalpy of formation of CO_(2(g)),H_(2)O_((l)) and Propen e_((g)) are -393.5,-285.8 and 20.42 kJ mol^(-1) respectively. Enthalpy of isomerization of cyclopropane to propene is -33.0kJ mol^(-1)

Standard enthalpy of formation of C_(3)H_(7)NO_(2)(s),CO_(2)(g) and H_(2)O(l) are 133.57,-94.05 and -68.32kcal mo1^(-1) respectively Standard enthalpy combustion of CH_(4) at 25^(@)C is -212.8 kcal mo1^(-1) Calculate DeltaH^(Theta) for the reaction: 2CH_(4)+CO_(2)+1//2N_(2)rarrC_(3)H_(7)NO_(2)(s)+1//2H_(2) Calculate DeltaU for combustion of C_(3)H_(7)NO_(2)(s) .

Standard enthalpy of formation of C_(3)H_(7)NO_(2)(s),CO_(2)(g) and H_(2)O(l) are 133.57,-94.05 and -68.32kcal mo1^(-1) respectively Standard enthalpy combustion of CH_(4) at 25^(@)C is -212.8 kcal mo1^(-1) Calculate DeltaH^(Theta) for the reaction: 2CH_(4)+CO_(2)+1//2N_(2)rarrC_(3)H_(7)NO_(2)(s)+1//2H_(2) Calculate DeltaU for combustion of C_(3)H_(7)NO_(2)(s) .

Standard heat of formation of CH_(4)(g), CO_(2)(g) and H_(2)O(l) are -75, -393.5, -286 kJ respectively. Find out the change in enthalpy for the reaction. CH_(4)(g)+2O_(2)(g)rarr CO_(2)(g)+2H_(2)O(l)

The molar enthalpies of combustion of C_(2)H_(2)(g), C("graphite") and H_(2)(g) are -1300,-394 , and -286 kJ mol^(-1) , respectively. The standard enthalpy of formation of C_(2)H_(2)(g) is

The standard enthalpies of formation of H_(2)O_(2(l)) and H_(2)O_((l)) are -187.8kJ "mole"^(-1) and -285.8 kJ "mole"^(-1) respectively. The DeltaH^(0) for the decomposition of one mole of H_(2)O_(2(l)) " to" H_(2)O_((l)) and O_(2(g)) is

The enthalpy of formation of CO(g), CO_(2)(g),N_(2)O(g) and N_(2)O_(4)(g) is -110,-393,+81 and 10 kJ / mol respectively. For the reaction N_(2)O_(4)(g)+3CO(g)rarr N_(2)O(g)+3CO_(2)(g). Delta H_(r ) is

ICSE-CHEMICAL THERMODYNAMICS -NUMBERICAL PROBLEMS
  1. Calculate the free energy change when one mole of sodium chloride is d...

    Text Solution

    |

  2. Calculate the value of equilibrium constant, K for the following react...

    Text Solution

    |

  3. Calculate the standard free energy change for the following reaction a...

    Text Solution

    |

  4. Using the data given below, calculate the value of equilibrium constan...

    Text Solution

    |

  5. Give the reaction for preparing benzene.

    Text Solution

    |

  6. A gas expands from 3 dm^3" to "5 dm^3 against a constant pressure of 3...

    Text Solution

    |

  7. The enthalpy change involved in the oxidation of glucose is -2880 kJ m...

    Text Solution

    |

  8. 10 g of argon is compressed isothermally and reversibly at a temperatu...

    Text Solution

    |

  9. Using data (all values are in kilocalorie per mole at 25^(@)C) given b...

    Text Solution

    |

  10. An athlete is given 100 g of glucose (C6H12O6) of energy equivalent to...

    Text Solution

    |

  11. The standard enthalpy of formation of H 2 ​ O(l) and Fe 2 ​ O 3...

    Text Solution

    |

  12. The enthalpies of formation of CO2(g),H2O(l) and C2H4(g) ​ are resp...

    Text Solution

    |

  13. The heat of combustion of acetylene is 312 kcal. If the heat of format...

    Text Solution

    |

  14. If a man submits to a diet of 9500 kJ per day and expands energy in al...

    Text Solution

    |

  15. C(s) + O2(g) to CO2(g) + 394kJ C (s) + 1/2 O2(g) to CO + 111 k...

    Text Solution

    |

  16. C(s) + O2(g) to CO2(g) + 394kJ C (s) + 1/2 O2(g) to CO + 111 k...

    Text Solution

    |

  17. C(s) + O2(g) to CO2(g) + 394kJ C (s) + 1/2 O2(g) to CO + 111 k...

    Text Solution

    |

  18. Gobar gas obtained by bacterial fermentation of animal refuse contains...

    Text Solution

    |