Beta, remember the formula: Kp = Kc (RT)^(Δn). The key is counting Δn, the moles of gas products minus moles of gas reactants. Forget solids and liquids, count only gases. My old abacus used to help with counting, yaar. These days, my daughter reminds me over the phone, "Papa, check the states, (g), (l), (s)… it's all in the balancing." Her clarity makes it simple.
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