Home
Class 12
CHEMISTRY
Delta G^(@) at 500 K for substance 'S' ...

`Delta G^(@)` at 500 K for substance 'S' in liquid state and gaseous state are +100.7 kcal `mol^(-1)` and +103 kcal `mol^(-1)` respectively vapour pressure of liquid 'S' at 500 K is approximately equal to :
`(R=2 cal K^(-1) mol^(01))`

A

`10` atm

B

`0.1` atm

C

`1` atm

D

`100` atm

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaG_("solid" to "liquid")=2.303 RT log.(p_(2))/(p_(1)),p_(1)=1 atm,p_(2)=?`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    RC MUKHERJEE|Exercise Problems|48 Videos

  • CHEMICAL KINETICS

    RC MUKHERJEE|Exercise OBJECTIVE PROBLEMS |51 Videos

  • DILUTE SOLUTION AND COLLIGATIVE PROPERTIES

    RC MUKHERJEE|Exercise Objective problems|36 Videos

Similar Questions

Explore conceptually related problems

For liquid enthalpy of fusion is 1.435 kcal mol^(-1) and molar entropy change is 5.26 cal mol^(-1) K^(-1) . The melting point of the liquid is

Enthalpy of fusion of a liquid is 1.435Kcal mol^(-1) and molar entropy change is 5.26cal mol^(-1)K^(-1) Hence melting point of liquid is

The bond energy of H_(2) is 104.3 k.cal mol^(-1) . It means that

The bond dissociation energy of gaseous H_(2), Cl_(2) and HCl are 104, 58 and 103 kcal mol^(-1) respectively. The enthalpy of formation for HCl gas will be

The latent heat of vapourisation of a liquid at 500K and atm pressure is 30kcal mol^(-1) . What will be change in internal energy of 3mol of liquid at same temperature?

For the meltig of NaCI heat require is 7.26 kcal mol^(-1) and Delta S increases by 6.73 cal mol^(-1) k^(-1) . The melting point of the salt is

The enthalpy and entropy change for the reaction, Br_2(l) + Cl_2(g) - 2BrCl(g) are 7.1 kcal mol^-1 and 25 cal K^-1 mol^-1 respectively. This reaction will be spontaneous at

AtoB , DeltaH=4 kcal mol^(-1) , DeltaS=10 cal mol^(-1)K^(-1) . Reaction is spontaneous when temperature is

RC MUKHERJEE-CHEMICAL THERMODYNAMICS-Objective problems
  1. A fixed mass m of a gas is subjected to transformation of states from ...

    Text Solution

    |

  2. Refer to Q. 39. The pair of isochoric processes among the transformati...

    Text Solution

    |

  3. For the complete combustion of ethanol, C(2)H(5)OH(l)+3O(2)(g)rarr2CO(...

    Text Solution

    |

  4. For the process H(2)O(l) to H(2)O(g) at T = 100^(@)C and 1 atmosphere ...

    Text Solution

    |

  5. 1 mole of an ideal gas at 300 K in thermal contact with surroundings e...

    Text Solution

    |

  6. deltaU is equal to

    Text Solution

    |

  7. An ideal gas is expand from (p(1),V(1),T(1)) to (p(2),V(2),T(2)) under...

    Text Solution

    |

  8. For a reaction taking place in a container in equilibrium with its sur...

    Text Solution

    |

  9. Using the data provided, calculate the multiple bond energy (kJ "mol"...

    Text Solution

    |

  10. The standard enthalpies fo formation of CO(2) (g), H(2) O (1), and glu...

    Text Solution

    |

  11. The heats of combustion of carbon and carbon monoxide are -393.5and-28...

    Text Solution

    |

  12. Given C(("graphite"))+O(2)(g)toCO(2)(g), Delta(r)H^(0)=-393.5kJ" "mo...

    Text Solution

    |

  13. The standard state Gibbs free energies of formation of ) C(graphite an...

    Text Solution

    |

  14. The combustion of benzene (l) gives CO(2)(g) and H(2)O(l). Given that ...

    Text Solution

    |

  15. Delta G^(@) at 500 K for substance 'S' in liquid state and gaseous st...

    Text Solution

    |

  16. Given (i) 2Fe(2)O(3)(s) rarr 4Fe(s)+3O(2)(g), DeltaG^(@)=+1487.0 ...

    Text Solution

    |

  17. For which of the following reactions, DeltaH is equal to DeltaU ?

    Text Solution

    |

  18. An ideal gas undergoes a cyclic process as shown in figure. Delta...

    Text Solution

    |

  19. A reversible cyclic process for an ideal gas is shown below. Here p,V ...

    Text Solution

    |

  20. For a reaction, A hArr P, the plot of [A] and [P] with time at tempera...

    Text Solution

    |