Post Utme Ui 2021 Chemistry Question 36

Practice objective / multiple choice question 36 from the 2021 Post Utme Ui Chemistry examination.

Post Utme Ui 2021 Chemistry Objective / Multiple Choice
Question 36 POST_UTME_UI • 2021 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change \( ΔH^circ \) for the reaction: 2NO(g) + O2(g) → 2NO2(g) at 298 K, given that ΔH^circ_f = -180.5 kJ/mol for NO(g), ΔH^circ_f = 0 kJ/mol for O2(g), and ΔH^circ_f = -99.6 kJ/mol for NO2(g).

Answer Options

Correct Answer A. -359.4 kJ/mol
B. -359.6 kJ/mol
C. -359.2 kJ/mol
D. -359.8 kJ/mol
Correct Answer
A
Correct Option:
-359.4 kJ/mol

About This Question

This is Post Utme Ui 2021 Chemistry Question 36. It is one of the objective questions from the 2021 Post Utme Ui Chemistry examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support