Post Utme Esut 2019 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2019 Post Utme Esut Chemistry examination.

Post Utme Esut 2019 Chemistry Objective / Multiple Choice

Question 10 POST_UTME_ESUT • 2019 • CHEMISTRY • objective

A 2.0 L flask contains 0.5 mol of an ideal gas at 298 K. Calculate the entropy change (ΔS) when the gas expands isothermally to a final volume of 5.0 L.

A. \( Delta S = 1.5 , \text{J/K} \)

Correct Answer B. \( Delta S = 3.0 , \text{J/K} \)

C. \( Delta S = 4.5 , \text{J/K} \)

D. \( Delta S = 6.0 , \text{J/K} \)

Correct Answer

Correct Option:

\( Delta S = 3.0 , \text{J/K} \)

This is Post Utme Esut 2019 Chemistry Question 10. It is one of the objective questions from the 2019 Post Utme Esut Chemistry examination.

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