Post Utme Ui 2020 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2020 Post Utme Ui Chemistry examination.

Post Utme Ui 2020 Chemistry Objective / Multiple Choice

Question 21 POST_UTME_UI • 2020 • CHEMISTRY • objective

The entropy change for the reaction 2NO(g) → N2(g) + O2(g) is 180 J/K. If the reaction occurs at 298 K, what is the s\tandard enthalpy change (ΔH°) for the reaction?

Correct Answer A. -180 kJ/mol

B. -90 kJ/mol

C. -45 kJ/mol

D. -22.5 kJ/mol

Correct Answer

Correct Option:

-180 kJ/mol

This is Post Utme Ui 2020 Chemistry Question 21. It is one of the objective questions from the 2020 Post Utme Ui Chemistry examination.

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