Home
Class 11
CHEMISTRY
Standard entropy of X2,Y2 and XY3 are 60...

Standard entropy of `X_2,Y_2 and XY_3` are 60,40, and `50jk^(-1)mol^(-1)` respectively for the reaction `1/2X_2+3/2Y_2 rarr XY_3,Delta H=-30 KJ` what will be the temperature at equilibrium?

A

750 K

B

1000 K

C

1250 K

D

500 K

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER (GASES & LIQUIDS)

    PATHFINDER|Exercise QUESTION BANK|280 Videos

Similar Questions

Explore conceptually related problems

Standard entropy of X_(2),Y_(2) and XY_(3) are 60, 40 and 50J*K^(-1)*mol^(-1) respectively. For the reaction (1)/(2)X_(2)+(3)/(2)Y_(2) to XY_(3), (DeltaH=-30kJ) to be at equilibrium, the temperature will be-

In the reaction 1/2N_(2(g)) + 3/2 H_(2(g)) to NH_(3(g)) . The standard entropies of N_(2(g)), H_(2(g)) and NH_(3(g)) are 191.6,130.5 and 192.5 JK^(-1) "mol"^(-1) respectivly. If free energy charge of the reaction is -16.67 kJ. Calculate the Delta H_("reaction")^@ for the formation of NH_3 at 298 K.

If the standard formation enthalpy of CS_2, CO_2 and SO_2 are 117 kJ mol^(-1) -393 kJ mol^(-1) and -297 kJ mol^(-1) respectively then calculate the standard reaction enthalpy of the reaction- CS_2 + 30_2 rarr CO_2 2SO_3 .

The bond dissociation energies of XY, X_2 and Y_2 (all diatomic molecules) are in the reaction 1:1:0:5 and Delta H_r for the formation of XY is -200 KJ mol^(-1) what will be the bond dissociation energy of X_2 ?

For the following reaction at 298K 2X + Y rarr Z DeltaH = 300 kj mol (-1) and DeltaS = 0.2 kj K^(-1) mol^(-1) At what tempreature will the reaction become spontaneous considering Delta H and DeltaS to be constnt over the temperature range?

If the standard formation- enthalpy of CS_(2) , CO_(2) and SO_(2) are 117 kJ * mol^(-1) , -393 kJ * mol^(-1) and -297 kJ * mol^(-1) respectively , calculate the standard reaction enthalpy of - CS_(2) + 3O_(2) to CO_(2) + 2 SO_(2)

(i) State hess's law. (ii) For the following reaction at 298K 2X+Y to Z DeltaH=300kJ*mol^(-1) and DeltaS=0.2kJ*K^(-1)*mol^(-1) At what temperature will the reaction become spontaneous considering DeltaH and DeltaS to be constant over the temperature range?

If x:y = 5:7 what will be 1/x^2: 1/y^2 ?

Factorise : (x^(2)-1)(y^(2)-1)-4xy

If the bond dissociation energies of XY(g), X_(2)(g) and Y_(2)(g) are in the ratio of 1:1:0.5 and Delta_(f)H for the formation of XY(g) is -200kJ *mol^(-1) , then what will be the bond dissociation energy of X_(2)(g) ?

PATHFINDER-THERMODYNAMICS-QUESTION BANK
  1. The heat liberated when 1.89 g of benzoic acid is burnt in a bomb calo...

    Text Solution

    |

  2. Which of the following thermodynamic relation is conect ?

    Text Solution

    |

  3. Standard entropy of X2,Y2 and XY3 are 60,40, and 50jk^(-1)mol^(-1) res...

    Text Solution

    |

  4. Assuming DeltaH^@ and S^@ do not change with temperature, calculate th...

    Text Solution

    |

  5. The Haber’s process for production of NH3 involves the reaction : N2(...

    Text Solution

    |

  6. Which is/are the correct relationship(s) ?

    Text Solution

    |

  7. For the two equations given below : H2(g) + 1/2 O2(g) to H2O(l) + x1 ...

    Text Solution

    |

  8. DeltaE = 0, for which process(s)?

    Text Solution

    |

  9. For a reaction to be spontaneous in neither direction, which of the fo...

    Text Solution

    |

  10. The standard enthalpies of formation of CO2(g) and HCOOH(l) are -393.7...

    Text Solution

    |

  11. Which of the following is a state function as well as an extensive pro...

    Text Solution

    |

  12. If the system involves gaseous substance, then pressure volume work W(...

    Text Solution

    |

  13. If the system involves gaseous substance, then pressure volume work W(...

    Text Solution

    |

  14. DeltaG of the system alone provides a criterion for the spontaneity of...

    Text Solution

    |

  15. DeltaG of the system alone provides a criterion for the spontaneity of...

    Text Solution

    |

  16. Match the Column-I with Column-II

    Text Solution

    |

  17. Match the Column-I with Column-II

    Text Solution

    |

  18. Match the Column-I with Column-II

    Text Solution

    |

  19. Match the Column-I with Column-II

    Text Solution

    |

  20. The enthalpy of neutralisation of oxalic acid by a strong base is -25....

    Text Solution

    |