Home
Class 12
CHEMISTRY
For the reaction: X(2)O(4)(l)rarr2XO(2...

For the reaction:
`X_(2)O_(4)(l)rarr2XO_(2)(g)`
`DeltaU=2.1kcal , DeltaS =20 "cal" K^(-1) "at" 300 K`
Hence `DeltaG` is

A

9.3 kcal

B

`-9.3kcal`

C

2.7kcal

D

`-2.7kcal`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS & THERMOCHEMISTRY

    VMC MODULES ENGLISH|Exercise Efficient|48 Videos
  • THERMODYNAMICS

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|44 Videos

Similar Questions

Explore conceptually related problems

For the reaction: X_(2)O_(4)(l)rarr2XO_(2)(g) DeltaU=2.1 cal , DeltaS =20 "cal" K^(-1) "at" 300 K Hence DeltaG is

For the reaction X_(2)O_(4(l)) rarr 2XO_(2(g)), Delta U= 2.1 "kcal", Delta S= 20 "cal " K^(-1) at 300K, Hence Delta G is

For the reaction, X_(2)O_(4)(l)rarr2XO_(2)(g),DeltaE=2.1Kcal , DeltaS=20cal//K at 300K . Hence DeltaG is

For the reaction, X_(2)O_(4)(l)rarr2XO_(2)(g) , DeltaE=3.1Kcal , DeltaS=30cal//K at 300K . Hence DeltaG is

For the reaction :- N_(2)O_(4(g))hArr2NO_(2(g)) DeltaU=2.0Kcal,DeltaS=50CalK^(-1)at300K calculate DeltaG ?

For the reaction at 25^(@)C, C_(2)O_(4)(l) rarr 2XO_(2)(g) Delta H =2.1 kcal and DeltaS=20 cal K^(-1) . The reaction would be :

For the reaction. A(l)rarr 2B(g) DeltaU="2.1 k Cal, "DeltaS="20 Cal K"^(-1)" at 300K Hence DeltaG" in kcal " is ?

Gibbs-Helmoholtz equation relates the free energy change to the enthalpy and entropy changes of the process as (DeltaG)_(PT) = DeltaH - T DeltaS The magnitude of DeltaH does not change much with the change in temperature but the energy factor T DeltaS changes appreciably. Thus, spontaneity of a process depends very much on temperature. For the reaction at 25^(0)C, X_(2)O_(4)(l) rarr 2XO_(2) DeltaH = 2.0 kcal and DeltaS = 20 cal K^(-1) . the reaction would be

For the reaction at 25^(@)C,X_(2)O_(4(l))to2XO_(2(g)),DeltaH=2.1kcal and DeltaS=20" cal "K^(-1) . The reaction would be

For the reaction 2A (g) + B(g) to C (g) Delta U^(@) = 20 kcal/mole, Delta S^(@) = 100 cal/kmole at 300 K. Hence Delta G^(@) in kcal is __________ [R = 2 cal mol^(-1) K^(-1)]

VMC MODULES ENGLISH-THERMODYNAMICS & THERMOCHEMISTRY-Impeccable
  1. Enthalpy change for the reaction, 4H(g) to 2H2(g) is -869.6 kJ Th...

    Text Solution

    |

  2. If the enthalpy change for the transition of liquid water to steam is ...

    Text Solution

    |

  3. Based on the first law of thermodynamics, which one of the following i...

    Text Solution

    |

  4. The enthalpy of solution of sodium chloride is 4 kJ mol^(-1) and its e...

    Text Solution

    |

  5. Which reaction, with the following values of Delta H, Delta S, at 400 ...

    Text Solution

    |

  6. Enthalpy of vapourization of benzene is +35.3 kJ mol^(-1) at its boili...

    Text Solution

    |

  7. For the reversible reaction. A(s)+B(g) Leftrightarrow C(g)+D(g), tri...

    Text Solution

    |

  8. A reaction is spontaneous at low temperature but non- spontaneous at h...

    Text Solution

    |

  9. A reaction having equal energies of activation for forward and reverse...

    Text Solution

    |

  10. Which of the following statements is correct for the spontaneous adsor...

    Text Solution

    |

  11. For the reaction: X(2)O(4)(l)rarr2XO(2)(g) DeltaU=2.1kcal , DeltaS...

    Text Solution

    |

  12. Which of the following statements is correct for a reversible process ...

    Text Solution

    |

  13. The heat of combustion of carbon to CO(2)is-395.5kJ//mol.The heat rele...

    Text Solution

    |

  14. The correct thermodynamic conditions for the spontaneous reaction at a...

    Text Solution

    |

  15. Consider the following liquid-vapour equilibrium Liquid hArr Vapour...

    Text Solution

    |

  16. What is the amount of work done when 0.5 mole of methane, CH(4)(g) is ...

    Text Solution

    |

  17. Which one of the following is incorrect for ideal solution ?

    Text Solution

    |

  18. For a sample of perfect gas when its pressure is changed isothermally ...

    Text Solution

    |

  19. If the E("cell")^(@) for a given reaction has a negative value, which ...

    Text Solution

    |

  20. A gas is allowed to expand in a well insulated container against a co...

    Text Solution

    |