The entropy change when two moles of ideal monoatomic gas is heated from \( 200^{\circ} \) to \(....

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The entropy change when two moles of ideal monoatomic gas is heated from \( 200^{\circ} \) to \( 300^{\circ} \mathrm{C} \)
\( \mathrm{P} \)
reversibly and isochorically?
W
(1) \( \frac{3}{2} \mathrm{R} \ln \left(\frac{300}{200}\right) \)
(2) \( \frac{5}{2} \mathrm{R} \ln \left(\frac{573}{273}\right) \)
(3) \( 3 R \ln \left(\frac{573}{473}\right) \)
(4) \( \frac{3}{2} \mathrm{R} \ln \left(\frac{573}{473}\right) \)


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