Post Utme Uniport 2025 Chemistry Question 31

Practice objective / multiple choice question 31 from the 2025 Post Utme Uniport Chemistry examination.

Post Utme Uniport 2025 Chemistry Objective / Multiple Choice
Question 31 POST_UTME_UNIPORT • 2025 • CHEMISTRY • objective

Calculate the s\tandard enthalpy change (ΔH) for the reaction: CaO(s) + H2O(l) → Ca(OH)2(s). Given that the s\tandard enthalpy of formation of CaO(s) is -635.09 kJ/mol and the s\tandard enthalpy of formation of Ca(OH)2(s) is -986.09 kJ/mol.

Answer Options

Correct Answer A. -351.2 kJ/mol
B. -351.9 kJ/mol
C. -352.1 kJ/mol
D. -352.5 kJ/mol
Correct Answer
A
Correct Option:
-351.2 kJ/mol

About This Question

This is Post Utme Uniport 2025 Chemistry Question 31. It is one of the objective questions from the 2025 Post Utme Uniport Chemistry examination.

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