Choose the Reaction That Illustrates ΔH°_f for KHCO₃

question 124

Multiple Choice

Choose the reaction that illustrates ΔH°_f for KHCO₃.

• A) K(s) + H₂(g) + C(s) + O₂(g) → KHCO₃(s)
• B) K⁺(aq) + HCO₃ ^-1(aq) → KHCO₃(s)
• C) K⁺(aq) + H₂O(l) + CO₂(g) → KHCO₃(s)
• D) K(s) + 1/2 H₂(g) + C(s) + 3/2 O₂(g) → KHCO₃(s)
• E) K(s) + 2 H(g) + C(s) + 3 O(g) → KHCO₃(s)

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