Problem 11.5
Discuss the approximations built into the Hckel method.
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Monday, August 22, 2016 Chemistry Chapter 2 Notes 2.1 The Early History of Chemistry Greeks were the first to try to explain chemistry – 4 fundamental substances: earth, fire, water, air – Is matter cont. or composed of small indivisible pieces Democritus—atomos (later became atoms) – No experiments, no definitive conclusion Next 2000 years dominated by alchemy – Often “fake” but some impt. discoveries – Discovery of some elements and learned how to prepare mineral acids th Foundations of modern chemistry in 16 century – Development of systematic metallurgy (extraction of metal from ores) G
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Chapter 11, Problem 11.5 is Solved
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