Home
Class 11
CHEMISTRY
For a process change in enthalpy is 36 k...

For a process change in enthalpy is 36 kJ.mol and change in entropy is 120 J `"mole "^(-1) K ^(-1).` The temperature at which the sywstem attains eequibrium is

A

`50^@C`

B

`47^@C`

C

`27^@C`

D

`12^@C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (ENTROPY AND GIBBS ENERGY)|15 Videos
  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos
  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

For a liquid, enthalpy of fusion is 1.435 kCal mol^(-1) and molar entropy change is 5.26 cal mol^(-1) K^(-1) . The freezing point of liquid in celcius will be ________

The enthalpy of vapourisation of a liquid is 30 KJ mol^(-1) and entropy of vapourisation is 75J mol^(-1) k^(-1) . The boiling point of the liquid at 1atm pressure is.

As per second law of thermodynamics a process taken place spontaneously if and only if the entropy of the universe increases due to the process. Change in entropy is given by Delta S = (Q_(rev))/(T) What is the change in entropy of the universe due to the following reaction occuring at 27^(@)C ? A + 2B rarr C + 2D, Delta H = +1.8 kJ mol^(-1) Molar entropy values of A, B, C and D are 1,2,3 and 4 JK^(-1) mol^(-1) respectively.

The kinetic energy in J of 1 mole of N_2 at 27^@ C is (R= 8.314 mol^(-1) k^(-1))

Bond enthalpy of bromine is 194 kJ mol^(-) . If enthalpy of vapourisation of Br_2 is +30 kJ mol^(-) , electron gain enthalpy of Br is -325 kJ mol^(-1) and hydration enthalpy of bromide is -339 kJ mol^(-1) calculate the change in enthalpy for the reaction, 1/2Br_(2)(l) + e^(-) overset(aq)(rarr) Br^(-)(aq) .

For a liquid, enthalpy of fusion is 1.435 xx 10^(3) cal mol^(-1) and molar entropy change is 5.26 cal mol^(-1) . Calculate the melting point of the liquid.

AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
  1. The enthalpy of formation of ammonia is -46.0 KJ mol^(-1). The enthalp...

    Text Solution

    |

  2. Which of the following bond has highest enthalpy

    Text Solution

    |

  3. 2C((s))  + 1/2O(2(gg) rarr CO(2(g)) , DeltaH = -787 KJ H(2(g)) + 1/2...

    Text Solution

    |

  4. Heats of combustion of C2H4, H2 and C2H6 are -1409 K.J, -285 K.J and -...

    Text Solution

    |

  5. The enthalpy of combustion of cyclohexane cyclohexene and H2 are respe...

    Text Solution

    |

  6. Given that CH3CHO + 5/2O2 rarr 2CO2 + 2H2O, DeltaH = -1168 KJ//"mole...

    Text Solution

    |

  7. The enthalpy of vapourisation of a liquid is 30 KJ mol^(-1) and entrop...

    Text Solution

    |

  8. H(2(g)) rarr 2H((g)) , DeltaH = 400 KJ , then DeltaS("system") at 2000...

    Text Solution

    |

  9. Show that A ∪ B = A ∩ B implies A = B

    Text Solution

    |

  10. Standard molar entropies of Mg((s)) , C((s)), MgO((s)) & CO((g)) respe...

    Text Solution

    |

  11. DeltaH and DeltaS for certain reaction are -10KJ and - 44J/K, DeltaG^@...

    Text Solution

    |

  12. S^@ of N2, H2 and NH3 respectively are 190, 130 & 111 J/K/mol, then D...

    Text Solution

    |

  13. Kp for the reaction 3/2O(2(g)) overset(rarr)(larr)O(3(g)) at 25^@C is ...

    Text Solution

    |

  14. Zn((s)) + Cu((aq))^(+2) -> Cu((s)) + Zn((aq))^(+2), DeltaG = -XKJ, C...

    Text Solution

    |

  15. For a process change in enthalpy is 36 kJ.mol and change in entropy is...

    Text Solution

    |

  16. For which of the following cases DeltaS = (DeltaH)/T

    Text Solution

    |

  17. Calculate work done when 1 mole of an ideal gas is expanded reversibly...

    Text Solution

    |

  18. The entropy change in adiabatic process is

    Text Solution

    |

  19. If w1, w2, w3, and we are work done in isothermal adiabatic, isobaric ...

    Text Solution

    |

  20. Molar heat capacity (C(p)) of water of constant pressure is 75JK^(-1) ...

    Text Solution

    |