Home
Class 12
CHEMISTRY
What can be concluded about the values o...

What can be concluded about the values of `DeltaH` and `DeltaS` from this graph ?

A

`DeltaH gt 0, DeltaS gt0`

B

`DeltaH gt 0, DeltaS lt0`

C

`DeltaH lt 0, DeltaS gt0`

D

`DeltaH lt 0, DeltaS lt0`

Text Solution

Verified by Experts

The correct Answer is:
A

`Deltag = DeltaH - TDeltaS`
Negative slope `DeltaS= +Ve`
and `DeltaH = +Ve`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

What can be concluded about the substance represented by this phase diagram ?

When solid NH_(4)NO_(3) is dissolved in water at 25^(@)C , the temperature of the solution decreases. What is true about the signs of DeltaH and DeltaS for this process?

DeltaH gt DeltaE for the reaction

According to the graph (ln vapour pressure us 1//T) what can be concluded about the enthalpies of vaporization (DeltaH_(vap)) of liquids X and Y ?

In evaporation of water, DeltaH and DeltaS are

In the graph the natural log of the vapour pressures of two substances are plotted vs 1/T. what can be concluded about the relative the 1/T enthalpies of vaporization (DeltaH_(vap)) of these substances?

What are the sign of DeltaH and DeltaS for a reaction that is spontaneous only at low temperatures?

BANSAL-THERMODYNAMICS-Exercise 1
  1. A diatomic ideal gas initially at 273 K is given 100 cal heat due ...

    Text Solution

    |

  2. For an ideal monoatic gas during any process T= kV, find out the...

    Text Solution

    |

  3. The maximum efficiency of a heat engine operating between 100 ^(@...

    Text Solution

    |

  4. A heat engine operating n between 227^(@) and 27^(@) C absorbs 2 ...

    Text Solution

    |

  5. A reversible heat engine A(based on carnot cycle ) absorbs heat fro...

    Text Solution

    |

  6. The entropy change when two of ideal monoatomic gas is heated form 200...

    Text Solution

    |

  7. What can be concluded about the values of DeltaH and DeltaS from this ...

    Text Solution

    |

  8. If DeltaH("vaporisation") of substance X (l) (molar mass :30 g/mol) is...

    Text Solution

    |

  9. The change in entrophy of 2 moles of ideal gas upon isothermal exp...

    Text Solution

    |

  10. Pressure of 10 moles of an ideal gas is changed from 2 atm to 1 at aga...

    Text Solution

    |

  11. The enthalpy of tetramerization of X in gas phase (4 X(g) to X(4)(g)...

    Text Solution

    |

  12. Standard enthorpy of X(2), Y(2) and XY(3) are 60,40 and 50 JK^(-1...

    Text Solution

    |

  13. For the f reaction at 300K A(g)+B(g) to C(g) DeltaU = - ...

    Text Solution

    |

  14. The correct relationship between free energy change in a reaction an...

    Text Solution

    |

  15. The value of DeltaG(f)^(@) of gaseous mercury is 31 K J //"mole". A...

    Text Solution

    |

  16. What is Delta(r)G(KJ/mol) for sysnthesis of ammonia at 298K at follow...

    Text Solution

    |

  17. For the reaction takes places at certain tempreature NH(4) HS(s) hArr...

    Text Solution

    |

  18. Calculate log(10){[C](eq)//[A](eq)} where [C] and [A] are equilirium ...

    Text Solution

    |

  19. What is the free energy charge (DeltaG) when 1.0 mole of water at 100...

    Text Solution

    |

  20. What is the free energy charge (DeltaG) when 1.0n mole of water at...

    Text Solution

    |