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  • Solve this problem Entropy change of fusion at constant pressure is given by:

Entropy change of fusion at constant pressure is given by:

  • Option 1)

    \delta S_{\left ( f \right )} = \frac{\delta H_{f}}{T}

  • Option 2)

    \delta S_{\left ( f \right )}= \frac{\delta G_{f}}{T}

  • Option 3)

    \delta S_{\left ( f \right )}= \frac{\delta H_{f}}{T}

  • Option 4)

    None of these

 

Answers (1)

best_answer

As we discussed in concept

Entropy for phase transition at constant pressure -

\Delta S= \frac{\Delta H_{Transition}}{T}

- wherein

Transition \RightarrowFusion, Vaporisition, Sublimation

\Delta H\RightarrowEnthalpy

\Delta E\RightarrowInternal Energy

T\RightarrowTransitional temperature

 

 \Delta \delta _{f}\:=\:\frac{\Delta H_{f}}{T},\:\:\:\Delta S_{f}\:=\:Entropy\:change\:of\:fusion

                                \Delta H_{f}\:=\:Enthalpy\:change\:of\:fusion


Option 1)

\delta S_{\left ( f \right )} = \frac{\delta H_{f}}{T}

This option is correct.

Option 2)

\delta S_{\left ( f \right )}= \frac{\delta G_{f}}{T}

This option is incorrect.

Option 3)

\delta S_{\left ( f \right )}= \frac{\delta H_{f}}{T}

This option is incorrect.

Option 4)

None of these

This option is incorrect.

Posted by

Aadil

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