Home
Class 12
CHEMISTRY
deltaU is equal to...

`deltaU` is equal to

A

Isochoric work

B

Isobaric work

C

Adiabatic work

D

isothermal work

Text Solution

Verified by Experts

The correct Answer is:
C

From frist law of thermodynamics.
`DeltaU=q+w`
`thereforeDeltaU=w,q=0` for adiabatic process
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Set 2|18 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B|56 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Practice problems|81 Videos
  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos
  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

For which of the following reactions, DeltaH is equal to DeltaU ?

For which of the following equations, will DeltaH be equal to DeltaU ?

DeltaH" for "CaCO_(3(s))toCaO_((s))+CO_(2(g))" is "176kJmol^(-1) at 1240 K. The DeltaU for the change is equal to :

DeltaH for CaCO_(3 (s)) to CaO_((s)) + CO_(2 (g)) is 176 kJ mol^(-1) at 1240 K . The DeltaU for the change is equal to :

State a chamical reaction in which DeltaH and DeltaU are equal .

OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. On the basis of the following thermochemical data : (Delta(f)G^(@)H((a...

    Text Solution

    |

  2. The Habar's process of production of ammonia involves the equilibrium:...

    Text Solution

    |

  3. In which reaction there will be increase in entropy ?

    Text Solution

    |

  4. The species which by definition has zero standard molar enthalpy of fo...

    Text Solution

    |

  5. The standard enthalpy of formation of NH(3) is -46.0KJ mol^(-1) . If t...

    Text Solution

    |

  6. A 1.0g sample of substance A at 100^(@)C is added to 100 mL of H(2)O ...

    Text Solution

    |

  7. The entropy change involved in the isothermal reversible expansion of ...

    Text Solution

    |

  8. The incorrect expression among the following is

    Text Solution

    |

  9. Using the data provided, calculate the multiple bond energy (kJ mol^(-...

    Text Solution

    |

  10. The approxiamte standard enthalpies of formation of methanol and octan...

    Text Solution

    |

  11. The sysmbols F,H,S,V(m) and E^(@) denote Helmholtz free energy, enthal...

    Text Solution

    |

  12. A piston filled with 0.04 mole of an ideal gas expands reversible from...

    Text Solution

    |

  13. For the complete combustion of ethanol, C(2)H(5)OH(l)+3O(2)(g)rarr2CO(...

    Text Solution

    |

  14. The standed free energy of fromation of NO(g) is 86.6 kj/ mol at 298...

    Text Solution

    |

  15. The enthalpies of combustion of carbon and carbon monoxide are -393.5 ...

    Text Solution

    |

  16. deltaU is equal to

    Text Solution

    |

  17. Given C(("graphite"))+O(2)(g)toCO(2)(g), Delta(r)H^(0)=-393.5kJ" "mo...

    Text Solution

    |

  18. Which of the following lines correctly show the temperatrue dependence...

    Text Solution

    |

  19. The combustion of benzene (l) gives CO(2)(g) and H(2)O(l). Given that ...

    Text Solution

    |

  20. If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally...

    Text Solution

    |