Post Utme Noun 2021 Chemistry Question 6

Practice objective / multiple choice question 6 from the 2021 Post Utme Noun Chemistry examination.

Post Utme Noun 2021 Chemistry Objective / Multiple Choice
Question 6 POST_UTME_NOUN • 2021 • CHEMISTRY • objective

Determine the s\tandard enthalpy of formation of NO2(g) from the following data: ΔH°f(N2(g)) = 0 kJ/mol, ΔH°f(O2(g)) = 0 kJ/mol, ΔH°f(NO(g)) = 90.29 kJ/mol. The reaction is: N2(g) + 2O2(g) → 2NO2(g).

Answer Options

Correct Answer A. -99.41 kJ/mol
B. -90.29 kJ/mol
C. -80.29 kJ/mol
D. -70.29 kJ/mol
Correct Answer
A
Correct Option:
-99.41 kJ/mol

About This Question

This is Post Utme Noun 2021 Chemistry Question 6. It is one of the objective questions from the 2021 Post Utme Noun Chemistry examination.

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