試題詳解

1. Determine the sign of ΔSsys for each chemical reaction. Which one is positive?
(A) Mg(s) + Cl₂(g) → MgCl₂(s)
(B) 2H₂S(g) + 3O₂(g) → 2H₂O(g) + 2SO₂(g)
(C) 2O₃(g) → 3O₂(g)
(D) HCl(g) + NH₃(g) → NH₄Cl(s)
(E) 2CO(g) + O₂(g) → 2CO₂(g)