CH 106 Lecture Notes - Lecture 7: Ammonia, Antacid, Tums
6 Oct 2016
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Chemistry for the world around us lecture notes 10/6/16. Neutralization reactions-acids react with bases and create salts. Acids are usually represented with red while bases are blue. Acids and bases create many of our common household cleaners. Form water and a salt when reacting with base. React with active metals to release hydrogen gas. Acids release h+ in aqueous solution (hydrogen ions or proton, called proton because a hydrogen molecule without an electron is a proton) Strong acids (ex. sulfuric acid from car battery) ionize completely, weak acids (ex. Not present in as many foods as acids. Form water and a salt when reacting with bases. Ammonia (nh3) is a base but has no oh group. Bases examples: sodium hydroxide (strong, used in lithium batteries), magnesium hydroxide (strong, antacid), ammonium (weak) Bases can prevent overheating and are used in fertilizers. Naoh (base) + hcl (acid) => nacl (salt) + h2o (water)
