Home
Class 12
CHEMISTRY
Calculate the heat of transition for car...

Calculate the heat of transition for carbon from the following:
`C_("Diamond") +O_(2) rarr CO_(2)(g),DeltaH =- 94.3 kcal`
`C_("Amorphous") +O_(2) rarr CO_(2)(g),DeltaH =- 97.6 kcal`
Also calculate the heat required to change `1g` of `C_("Diamond")` to `C_("Amorphous")`.

A

`1.59 kcal`

B

`0.1375 kcal`

C

`0.55 kcal`

D

`0.275 kacl`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise Exercise -2 Part-I: Only one option correct type|23 Videos

  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise Exercise-2 II: Single and double value integer type|16 Videos

  • THERMODYNAMICS

    RESONANCE ENGLISH|Exercise H-1|1 Videos

  • TEST SERIES

    RESONANCE ENGLISH|Exercise CHEMISTRY|50 Videos

Similar Questions

Explore conceptually related problems

Calculate the enthalpy of vaporisation for water form the following: H_(2)(g) +1//2O_(2)(g) rarr H_(2)O(g),DeltaH =- 57.0 kcal H_(2)(g) +1//2O_(2)(g) rarr H_(2)O(l),DeltaH =- 68.3 kcal Also calculate the heat required to change 1g H_(2)O(l) to H_(2)O(g)

According to the following reaction C(S)+1//2O_(2)(g)rarr CO(g), Delta H=-26.4 Kcal

Determine the heat of transformaiton of C_(("dimamond"))rarrC_(("graphite")) form the following data: i. C_(("diamond"))+O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 94.5 kcal ii. C_(("graphite")) +O_(2)(g) rarr CO_(2)(g),DeltaH^(Theta) =- 94.0 kcal

Determine the heat of transformaiton of C_(("dimamond"))rarrC_(("graphite")) form the following data: i. C_(("diamond"))+O_(2)(g) rarr CO_(2)(g), DeltaH^(Theta) =- 94.5 kcal ii. C_(("graphite")) +O_(2)(g) rarr CO_(2)(g),DeltaH^(Theta) =- 94.0 kcal

Calculate the heat of combustion of benzene form the following data: a. 6C(s) +3H_(2)(g) rarr C_(6)H_(6)(l), DeltaH = 49.0 kJ b. H_(2)(g) +1//2O_(2)(g) rarr H_(2)O(l), DeltaH =- 285.8 kJ c. C(s) +O_(2) (g) rarr CO_(2)(g), DeltaH =- 389.3 kJ

Calculate heat of dissociation for acetic acid from the following data: CH_(3)COOH +NaOH rarr CH_(3)COONa +H_(2)O DeltaH = - 13.2 kcal H^(o+) +overset(Theta)OHrarr H_(2)O, DeltaH =- 13.7 kcal Also calculate heat of dissociation for NH_(4)OH if HCI +NH_(4)OH rarr NH_(4)CI +H_(2)O, DeltaH =- 12.27 kcal

C(s)+O_(2)(g)toCO_(2)(g),DeltaH=-94 kcal 2CO(g)+O_(2)to2CO_(2),DeltaH=-135.2 kcal The heat of formation of CO(g) is

Calculate the heat of formation of acetic acid form the following date: a. CH_(3)COOH(l) +2O_(2)(g) rarr 2CO_(2)(g) +2H_(2)O(l)DeltaH^(Theta) =- 200.0kcal b. C(s) +O_(2) (g) rarr CO_(2)(g), DeltaH^(Theta) =- 94.0 kcal c. H_(2)(g) +(1)/(2)O_(2)(g) rarr H_(2)O(l), DeltaH^(Theta) =- 68.0 kcal

Calculate the heat of formation of acetic acid form the following data: a. CH_(3)COOH(l) +2O_(2)(g) rarr 2CO_(2)(g) +2H_(2)O(l)DeltaH^(Theta) =- 200.0kcal b. C(s) +O_(2) (g) rarr CO_(2)(g), DeltaH^(Theta) =- 94.0 kcal c. H_(2)(g) +(1)/(2)O_(2)(g) rarr H_(2)O(l), DeltaH^(Theta) =- 68.0 kcal

Calculate the heat of formation of n butane from the following data: a. 2C_(4)H_(10)(g) +13O_(2)(g) rarr 8CO_(2)(g) +10H_(2)O(l), DeltaH = - 5757.2 kJ b. C(s) +O_(2) (g)rarrCO_(2)(g), DeltaH =- 405.4 kJ c. 2H_(2)(g) +O_(2)(g) rarr 2H_(2)O(l), DeltaH =- 572.4 kJ

RESONANCE ENGLISH-THERMODYNAMICS-Exercise -1 Part -II Only option correct type
  1. In the reaction, CO(2)(g)+H(2)(g)toCO(g)+H(2)O(g)," "DeltaH=2.8 ...

    Text Solution

    |

  2. Given, H(2)(g)+Br(2)(g)rarr2HBr(g),DeltaH(1)^(0) and standard enthalpy...

    Text Solution

    |

  3. Calculate the heat of transition for carbon from the following: C("D...

    Text Solution

    |

  4. The standard heat of combustion of a solid boron is equal to:

    Text Solution

    |

  5. The heat of combustion of sucrose (C(12)H(22)O(11)) is 1350 kcal//mol....

    Text Solution

    |

  6. If S+O(2)toSO(2),DeltaH=-298.2 " kJ" " mole"^(-1) SO(2)+(1)/(2)O(2)t...

    Text Solution

    |

  7. When a certain amount of ethylene was combusted, 5644 kJ heat was evol...

    Text Solution

    |

  8. AT 300K, the standard enthalpies of formation of C(6)H(5)COOH(s), CO(2...

    Text Solution

    |

  9. In the reaction CS(2)(l)+3O(2)(g)rarrCO(2)(g)+2SO(2)(g)DeltaH= -265 kc...

    Text Solution

    |

  10. If enthalpy of dissociation of CH(4) and C(2)H(6) are 320 and 360 calo...

    Text Solution

    |

  11. The heat of hydrogenation of ethane is x(1) and heat of benzene is x(2...

    Text Solution

    |

  12. Calculate the resonance energy of gaseous benzene from the given data ...

    Text Solution

    |

  13. Bond dissociation energies of H(2),Cl(2) and HCl((g)) are 104, 58 and ...

    Text Solution

    |

  14. AB, A(2) and B(2) are diatomic molecules. If the bond enthalpies of A...

    Text Solution

    |

  15. One mole of anhydrous MgCl(2) dissolves in water and librates 25 cal//...

    Text Solution

    |

  16. Born-Haber cycle can be used to estimate:

    Text Solution

    |

  17. The enthalpy of solution of NaOH(s) in water is -41.6 kJ//"mole" When ...

    Text Solution

    |

  18. The enthalpy change for the reaction of 5 litre of ethylene with 5 lit...

    Text Solution

    |

  19. For which one of the follwing reactions, molar enthalpy change of a re...

    Text Solution

    |

  20. Calculate the lattice energy of the reaction Li^(o+)(g) +CI^(Theta) ...

    Text Solution

    |