Post Utme Osustech 2025 Chemistry Question 26

Practice objective / multiple choice question 26 from the 2025 Post Utme Osustech Chemistry examination.

Post Utme Osustech 2025 Chemistry Objective / Multiple Choice
Question 26 POST_UTME_OSUSTECH • 2025 • CHEMISTRY • objective

The s\tandard enthalpy of formation of CO2(g) is -393.5 kJ/mol. Calculate the s\tandard enthalpy of formation of CaCO3(s) u\sing the following reaction: CaO(s) + CO2(g) → CaCO3(s).

Answer Options

Correct Answer A. -1781.8 kJ/mol
B. -1781.9 kJ/mol
C. -1781.7 kJ/mol
D. -1781.6 kJ/mol
Correct Answer
A
Correct Option:
-1781.8 kJ/mol

About This Question

This is Post Utme Osustech 2025 Chemistry Question 26. It is one of the objective questions from the 2025 Post Utme Osustech Chemistry examination.

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