Predict the sign of ΔS of the system for both of the following. I.2 C(graphite) + O₂(g) → 2 CO(g)
II.C₄H₁₀(g) → C₄H₁₀(l)

Name: Predict the sign of ΔS of the system for both of the following. I.2 C(graphite)+ O 2 (g)→ 2 CO(g) II.C 4 H 10 (g)→ C 4 H 10 (l)
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Question

Predict the sign of ΔS of the system for both of the following. I.2 C(graphite)+ O₂(g)→ 2 CO(g) II.C₄H₁₀(g)→ C₄H₁₀(l)

Quizplus · Accepted Answer

For I, the reaction goes from solid and gas to more gas molecules, increasing disorder, so ΔS is positive. For II, the reaction goes from gas to liquid, decreasing disorder, so ΔS is negative.

Predict the Sign of ΔS of the System for Both