Home
Class 12
CHEMISTRY
The standard heat of formation of diamon...

The standard heat of formation of diamond is

A

same as that of graphite

B

greater than that of graphite

C

less than of graphite

D

taken as zero

Text Solution

Verified by Experts

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

Diamond is a

Diamond is a

The standard molar heat of formation of ethane, CO_2 "and" H_2 O_((l)) "are respectively" -21.1, -94.1, "and" -68.3 kcal. The standard molar heat of combustion of ethane will be _______ .

H_(2)(g)+1//2O_(2)(g)=H_(2)O(l) , Delta H_(298 K)=-68.32 Kcal. Heat of vapourisation of water at 1 atm and 25^(@)C is 10.52 Kcal. The standard heat of formation (in Kcal) of 1 mole of water vapour at 25^(@)C is

The standard entropies of CO_(2(g)), C_((s)), and O_(2(g)) are 213.5, 5.740 and 205 JK^-1 respectively. The standard entropy of formation of CO_2 is _________.

If the standard enthalpy of formation of methanol is -238.9 kJ mol^(-1) then entropy change of the surroundings will be.

The standard enthalpy change for the reaction H_(2(g)) rarr H_((g)) + H_((g)) is + 436.4 kj mol^(-1) . Calculate standard enthalpy of formation of atomic hydrogen.

2.1g of Fe combines with S evolving 3.77kJ . The heat of formation of FeS in kJ//mol is

The values of heat of formation of SO_2 and SO_3 and -298.2 kJ and -98.2 kJ. The heat of reaction of the following reaction will be: SO_2 + 1/2 O_2 to SO_3 ,___________.

The CORRECT equation for heat of formation of CO is ________ .

CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. Calculate the heat of reaction at 298 K for the reactionC2H(4(g)) + H2...

    Text Solution

    |

  2. The enthalpies of elements in their standard states are taken as

    Text Solution

    |

  3. The standard heat of formation of diamond is

    Text Solution

    |

  4. Which of the following values of DeltafH represents the least stable p...

    Text Solution

    |

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

    Text Solution

    |

  6. The latent heat of vaporization of a liquid at 500 K at1atm pressure i...

    Text Solution

    |

  7. For a gaseous reaction involving complete combustion of isobutane,

    Text Solution

    |

  8. The difference between DeltaH and DeltaU for the combustion of methane...

    Text Solution

    |

  9. Enthalpy of combustion of carbon is -395 kj.The amount of carbon neede...

    Text Solution

    |

  10. The heats of combustion of hydrogen, carbon monoxide and methane are -...

    Text Solution

    |

  11. The decreasing order of calorific values is

    Text Solution

    |

  12. The heat evolved in the combustion of glucose (C6H(12)O6) is given by ...

    Text Solution

    |

  13. A person requires A kJ of energy daily. If the heat of combustion of c...

    Text Solution

    |

  14. A person submits to a diet of 9,500 kj per day and expends energy in a...

    Text Solution

    |

  15. The bond dissodation energies of gaseous H2, Cl2 and HCl are 104, 58 a...

    Text Solution

    |

  16. Given thebond energiesof N=N, H-H,and N-H bonds are 945, 436 and 391 k...

    Text Solution

    |

  17. The bond energy of an O-H bond is109 kcal mol^(-1). When a mole of wat...

    Text Solution

    |

  18. The mutual heat of neutralisation of 40g NaOH and 60g CH3COOH will be

    Text Solution

    |

  19. When 10 ml NaOH is added to 10 ml HCl,the temperature rises by 3^@C. I...

    Text Solution

    |

  20. The heat of neutralization of a strong acid and a strong base is-60 kj...

    Text Solution

    |