VCE Chemistry Practice Questions - VCE Chemistry Units 3 & 4 (Victorian Certificate Of Education) Exam

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A thermochemical equation is written as C(s) + O₂(g) → CO₂(g), ΔH = −394 kJ mol⁻¹. How much energy is released when 0.50 mol of carbon is completely burned?

197 kJ 394 kJ 788 kJ 197 kJ absorbed

Correct Answer:

197 kJ

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