Post Utme Osustech 2024 Chemistry Question 13

Practice objective / multiple choice question 13 from the 2024 Post Utme Osustech Chemistry examination.

Post Utme Osustech 2024 Chemistry Objective / Multiple Choice
Question 13 POST_UTME_OSUSTECH • 2024 • CHEMISTRY • objective

The following reaction occurs at 298 K: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l). If ΔH = -890 kJ/mol, what is the s\tandard enthalpy of formation of CH4(g)?

Answer Options

Correct Answer A. -74.8 kJ/mol
B. -74.8 kJ/mol + 393.5 kJ/mol
C. -74.8 kJ/mol + 393.5 kJ/mol + 2\( 0 kJ/mol \)
D. -74.8 kJ/mol + 393.5 kJ/mol + 2\( 0 kJ/mol \) + 2\( 0 kJ/mol \)
Correct Answer
A
Correct Option:
-74.8 kJ/mol

About This Question

This is Post Utme Osustech 2024 Chemistry Question 13. It is one of the objective questions from the 2024 Post Utme Osustech Chemistry examination.

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