CHEM 1127Q Study Guide - Midterm Guide: Blood Orange, Titration, Heat Capacity
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CHEM 1127Q Full Course Notes
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Acid-base reactions are reactions in which a hydrogen ion is transferred from one chemical species to another. The hydrogen ion is the medium of exchange in acid-base reactions. Acid = a substance that will dissolve in water to produce hydronium ions. (h o ) Hcl (aq) h (aq) + cl (aq) or hcl (aq) + h o (l) h o (aq) + cl (aq) The hydrogen ion is transferred from the acid (hcl) to the water. Acids produce hydrogen ions when dissolved in water. To identify an acid, it"s best to look for a h in front of the element. A strong acid is one that completely reacts with water to produce hydronium ions. (ex: Weak acids are those that only partially react with water to produce hydronium ions. (ex: acetic acid hch co ) The separate hydrogen in acetic acid is considered a special hydrogen because it is the hydrogen ion being transferred.