Post Utme Oau 2025 Chemistry Question 23

Practice objective / multiple choice question 23 from the 2025 Post Utme Oau Chemistry examination.

Post Utme Oau 2025 Chemistry Objective / Multiple Choice

Question 23 POST_UTME_OAU • 2025 • CHEMISTRY • objective

The s\tandard enthalpy of formation of CO2(g) is -393.5 kJ/mol. What is the s\tandard enthalpy of formation of H2O(l) if the s\tandard enthalpy of formation of CO(g) is -110.5 kJ/mol and the s\tandard enthalpy of formation of H2(g) is 0 kJ/mol?

Correct Answer A. -285.8 kJ/mol

B. -285.9 kJ/mol

C. -286.0 kJ/mol

D. -286.1 kJ/mol

Correct Answer

Correct Option:

-285.8 kJ/mol

This is Post Utme Oau 2025 Chemistry Question 23. It is one of the objective questions from the 2025 Post Utme Oau Chemistry examination.

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