Home
Class 12
CHEMISTRY
The enthalpy of solution of BaCl(2)(s) a...

The enthalpy of solution of `BaCl_(2)(s) and BaCl_(2).2H_(2)O(s) " are " -20.6` and 8.8 KJ `mol^(-1)`, respectively, The enthalpy change for the reaction `BaCl_(2(s)) + 2H_(2)O rarr BaCl_(2), 2H_(2)O_((s))` is:

A

29.8KJ

B

`-11.8KJ`

C

`-20.6KJ`

D

`-29.4KJ`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-III|30 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet- Exercise-IV|20 Videos
  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Practice Sheet-Exercise-I|33 Videos
  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)|44 Videos
  • CHEMISTRY IN EVERY DAY LIFE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|29 Videos

Similar Questions

Explore conceptually related problems

The enthalpy of formation of N_2O_((g)) and NO_((g)) are 82.0 KJ and 90 KJmol^(-1) respectively. The enthalpy of the reaction 2N_2O_((g)) + O_(2(g)) rarr 4NO_((g)) is

If the standard molar enthalpy of formation of CaO_((s)), CO_(2(s)) and CaCO_(3(s)) is -635, -393 and -1207kJ "mol"^(-1) respectively, the Delta_r H^(o.) in kJ mol^(-1) for the reaction CaCO_(3(s)) rarr CaO_((s)) + CO_(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 standard enthalpies of formation of H_(2)O_(2(l)) and H_(2)O_((l)) " are " -187.8 kJ "mole"^(-1) and -285.8 kJ "mole"^(-1) respectively. The Delta H^(0) for the decomposition of one mole of H_(2)O_(2(l)) " to " H_(2)O_((l)) and O_(2(g)) is

If DeltaH_(f)^(0) " for" H_(2)O_(2(l)) and H_(2)O_((l)) " are " -188 kJ mol^(-1) and -286 kJ mol^(-1) , what will be the enthalpy change of the reaction 2H_(2)O_(2(l)) rarr 2H_(2)O_((l)) + O_(2(g)) = ?

In the reaction, H_(2)S+H_(2)O_(2) to S+2H_(2)O:

The enthalpy of formation of ammonia is -46.0 KJ mol^(-1) . The enthalpy change for the reaction 2NH_3 rarr N_2 + 3H_2 is

The different between DeltaH and DeltaE for the reaction BaCl_(2(aq)) + K_(2)SO_(4(aq)) rarr BaSO_(4(s)) darr +2KCl_((aq))

AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet- Exercise-II
  1. The heats of combustion of carbon,hydrogen and acetylene are -394kJ, -...

    Text Solution

    |

  2. The standard enthalpies of formation of H(2)O(2(l)) and H(2)O((l)) are...

    Text Solution

    |

  3. Given C+ 2S rarr CS(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O(2) rar...

    Text Solution

    |

  4. The lattice energy of solid NaCl is 180K. Call per mol. The dissolutio...

    Text Solution

    |

  5. The enthalpy of solution of BaCl(2)(s) and BaCl(2).2H(2)O(s) " are " -...

    Text Solution

    |

  6. Hess's law states that

    Text Solution

    |

  7. Equal volumes of equi molar HCl and H(2)SO(4) are separately neutralis...

    Text Solution

    |

  8. The bond dissociation energies for Cl(2),I(2) and Icl are 242.3, 151 a...

    Text Solution

    |

  9. Enthalpy of neutralisation of H(3)PO(3) acid is -106.68kJ//mol using N...

    Text Solution

    |

  10. If DeltaH(f)^(0) " for" H(2)O(2(l)) and H(2)O((l)) " are " -188 kJ mol...

    Text Solution

    |

  11. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  12. Chemical reactions are invariably associated with the transfer of ener...

    Text Solution

    |

  13. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |

  14. Chemical reactions are invariably assocated with the transfer of energ...

    Text Solution

    |

  15. Match the following columns

    Text Solution

    |

  16. Heats of atmoisation of ozone and oxygen are 25 units and 30 units res...

    Text Solution

    |

  17. Compute the heat of formation of liquid methyl alcohol in kilojoules p...

    Text Solution

    |

  18. The bond dissociation energies of gaseous H(2), Cl(2) and HCl are 104,...

    Text Solution

    |

  19. Heat of formation of 2 moles of NH(3)(g) " is" -90 kJl bond energies o...

    Text Solution

    |

  20. If S + O(2) rarr SO(2), DeltaH= -398.2kJ SO(2) + (1)/(2) O(2) rarr S...

    Text Solution

    |