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)

Question

Quizplus · Accepted Answer

The standard enthalpy of formation (ΔH°f) is defined for the formation of 1 mole of a compound from its elements in their standard states. Reaction D correctly represents this for KHCO₃(s).

Choose the Reaction That Illustrates ΔH°f for KHCO3

Choose the Reaction That Illustrates ΔH°_f for KHCO₃