CHE 131 Study Guide - Final Guide: Barium Nitrate, Ideal Gas Law, Sodium Sulfate
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CHE 131 Full Course Notes
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Multiple choice, 4 points each on the scantron form, bubble in the letter of the one choice that best completes the statement or answers the question. No credit will be given for multiple answers. A 12-year-old puts one in his mouth and immediately puckers, smiles, and then foams at the mouth before chewing. The silicon is obtained from a really inexpensive starting material, sand, which is primarily sio2. One step in the purification of silicon is to separate it from solid impurities by forming the gas silicon tetrachloride. Reaction h (kj) sio2(s) + 2c(s) si(impure s) + 2co(g) +690 si(impure s) ___: the inside of a perfectly insulated capped thermos bottle is an example of. _________: an open system, an undefined system, a closed system, a system plus surroundings, an isolated system. ___: the combustion of ethanol (ch3ch2oh, 46. 1 g/mol) results in the formation of water and carbon dioxide.
