Post Utme Lautech 2025 Chemistry Question 15

Practice objective / multiple choice question 15 from the 2025 Post Utme Lautech Chemistry examination.

Post Utme Lautech 2025 Chemistry Objective / Multiple Choice
Question 15 POST_UTME_LAUTECH • 2025 • CHEMISTRY • objective

A 2.5 L flask contains 0.5 mol of an ideal gas at 298 K. Calculate the entropy change of the gas when it expands to 5 L at cons\tant temperature.

Answer Options

A. 10 J/K
B. 20 J/K
Correct Answer C. 30 J/K
D. 40 J/K
Correct Answer
C
Correct Option:
30 J/K

About This Question

This is Post Utme Lautech 2025 Chemistry Question 15. It is one of the objective questions from the 2025 Post Utme Lautech Chemistry examination.

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