Home
Class 12
CHEMISTRY
For the reversible isothermal expansion ...

For the reversible isothermal expansion of one mole of an ideal gas at 300 K, from a volume of `10 dm^(3)` to `20 dm^(3), Delta H` is -

A

`1.73 kJ`

B

`-1.73 kJ`

C

`3.46 kJ`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
D
For a process to be carried out isothermally
`DeltaH=0` as well as `DeltaE=0`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Additional Numerical Problems For Practice|16 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos

Similar Questions

Explore conceptually related problems

Calculate q,w, DeltaU and DeltaH for the reversible isothermal expansion of one mole of an ideal gas at 127^(@)C from a volume of 10dm^(3) to 20dm^(3) .

Calcualte q, w, DeltaU , and DeltaH for the reversible isothermal expansion of one mole of an ideal gas at 127^(@)C from a volume of 20dm^(3) to 40dm^(3) .

In reversible isothermal expansion of an ideal gas :

For the isothermal reversible expansion of an ideal gas

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm^(3) to a volume of 100dm^(3) at 27^(@)C is

DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. One mole of a gas absorbs 200 J of heat at constant volume. Its temper...

    Text Solution

    |

  2. Work done on a system when one mole of an an ideal gas at 500 K is com...

    Text Solution

    |

  3. For the reversible isothermal expansion of one mole of an ideal gas at...

    Text Solution

    |

  4. The latent heat of vaporisation of water at 100 ^(@)C is 540 cal g^(-1...

    Text Solution

    |

  5. Given that (1)/(2)S(8)(s)+6O(2)(g)to4SO(3)(g), DeltaH^(@)=-1590 kJ T...

    Text Solution

    |

  6. For the process NH(3)(g) +HCI(g) rarr NH(4)CI(s)

    Text Solution

    |

  7. The enthalpy change at 298 K of the reaction H(2)O(2)(l)toH(2)O(l)+1...

    Text Solution

    |

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

    Text Solution

    |

  9. The entropy change for the fusion of 1 mol of a solid which melts at 2...

    Text Solution

    |

  10. The heat change for the following reaction at 298 K and constant press...

    Text Solution

    |

  11. Which of the following equations express DeltaH as heat of combustion ...

    Text Solution

    |

  12. The enthalpy of formation of ammonia is -46.0 KJ mol^(-1) . The entha...

    Text Solution

    |

  13. The heat evolved in combustion of benzene is given by the following eq...

    Text Solution

    |

  14. DeltaG for a reaction at 300 K is -16 kcal and DeltaH is -10 kcal. The...

    Text Solution

    |

  15. Enthalpy of neutralisation of NH(4)OH and HCl is numerically

    Text Solution

    |

  16. The following are the heats of reactions - (i) Delta H(f)^(@) of H(2...

    Text Solution

    |

  17. The heat of combustion of CH(4(g)), C((g)) and H(2(g)) at 25^(@)C are ...

    Text Solution

    |

  18. One mole of ice is converted into water at 273 K. The entropies of H(2...

    Text Solution

    |

  19. The equilibrium constant for a reaction is 10. What will be the value ...

    Text Solution

    |

  20. One mole of an ideal gas expanded freely and isothermally at 300 K fro...

    Text Solution

    |