The brown gas NO2 and the colorless gas N2O4 exist in equilibrium: 2NO2 = N2O4 In an experiment, 0.625 mole of N2O4 was introduced into a vessel of 5.0 L and was allowed to decompose until it reached equilibrium with NO2. The concentration of N2O4 at equilibrium was 0.075 M. Calculate Kc for the reaction. (Hint: remember the ICE procedure? initial, change, and equilibrium)

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

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