CHEM 102 Lecture 12: Study Notes at UIUC

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8 Jan 2019
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Subscript letter - physical state (l, g, s, aq) Where e is energy, x is some compound/element, and is also energy. Reaction: cacl2(aq) + 2agno3(aq) -> ca(no3)2(aq) + 2agcl(s) Spectator ions are those which appear in the same state and magnitude on both sides. The equation above is known as the complete ionic equation. The net ionic equation is that which takes out the spectator ions. This last example was what is known as a precipitation reaction. Agcl(s) is insoluble, and is the precipitate, or the solid that basically, over time, precipitates, or falls, to the bottom of the container in which the reaction took place. Acids dissolve in water to yield hydronium (h3o+) ions. Bases dissolve in water to yield hydroxide (oh-) ions. Strong acids dissolve readily in water to yield hydronium. Strong bases dissolve readily in water to yield hydroxide.

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