ABC26PH0252 · Thermodynamics
Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Laws State Functions · Exam: CSIR-NET DEC 2019 · Marks: 2 · Difficulty: Medium
Consider the entropy changes in a system undergoing transformation, as depicted in the diagram, below \[ \begin{array}{c} 25^{\circ}\mathrm{C} \xrightarrow{\Delta S_1} 50^{\circ}\mathrm{C} \xrightarrow{\Delta S_2} 75^{\circ}\mathrm{C} \\ 25^{\circ}\mathrm{C} \xrightarrow{\Delta S} 75^{\circ}\mathrm{C} \end{array} \]
The correct statement among the following is (a)$\Delta S_1 = \Delta S_2$ and $\Delta S \neq \Delta S_1 + \Delta S_2$
(b)$\Delta S_1 > \Delta S_2$ and $\Delta S \neq \Delta S_1 + \Delta S_2$
(c)$\Delta S_1 = \Delta S_2$ and $\Delta S = \Delta S_1 + \Delta S_2$
(d)$\Delta S_1 > \Delta S_2$ and $\Delta S = \Delta S_1 + \Delta S_2$
Answer
Explanation
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