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Chemistry · THERMODYNAMICS

हिन्दी

Starting from the Gibbs function \( G = H - TS \), which differential relation holds true for a finite change at constant temperature?

  1. \( \Delta G = \Delta H - T\Delta S \)
  2. \( \Delta G = \Delta H + T\Delta S \)
  3. \( \Delta G = \Delta H - S\Delta T \)
  4. \( \Delta G = \Delta U - T\Delta S \)

Correct answer · Option 1

\( \Delta G = \Delta H - T\Delta S \)

Explanation

At constant temperature (\( \Delta T = 0 \)), \( \Delta G = \Delta H - T\Delta S - S\Delta T \) reduces to \( \Delta G = \Delta H - T\Delta S \).
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