Waec Model Questions Vol1 2025 Chemistry Question 7
Practice objective / multiple choice question 7 from the 2025 Waec Model Questions Vol1 Chemistry examination.
Standard enthalpies of formation (Δ_fH°) are: P₄O₁₀(s) = -2984 kJ·mol⁻¹, SO₃(g) = -395.7 kJ·mol⁻¹. For each oxide, calculate the heat released per gram of oxygen when the oxide is formed from its elements, and state which oxide releases more heat per gram of oxygen.
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About This Question
This is Waec Model Questions Vol1 2025 Chemistry Question 7. It is a objective / multiple choice question from the 2025 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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