dvb041708a4 - Principles of Chemistry II © Vanden Bout The...

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Unformatted text preview: Principles of Chemistry II © Vanden Bout The rest of the Semester All of Chemistry Today Groups 1-IV Principles of Chemistry II © Vanden Bout Things everyone should know Get to know the chemistry of the elements How is each element found in nature Reactions involving compounds with those elements Practical uses of those compounds Principles of Chemistry II © Vanden Bout Hydrogen How is each element found in nature (its almost all in water and hydrocarbons) H 2 made from methane reforming with steam Reactions involving compounds with those elements H + oxidizing metals H 2 reducing compounds (like oxides) Practical uses of those compounds 2H 2 + O 2 2H 2 O Principles of Chemistry II © Vanden Bout Group 1 metals Alkali Metals All have a nS 1 electronic conFguration Very low ionization energy Behave like a metal (easily oxidized) ¡rom +1 ion always low boiling and melting points react violently with water (and most anything else) from basic hydride and oxides Principles of Chemistry II © Vanden Bout 2Na + 2H 2 O 2Na + + 2OH- + H 2 (g) Principles of Chemistry II © Vanden Bout Best Reducing Agents Principles of Chemistry II © Vanden Bout Group 1 elements will react with nearly anything 2Na(s) + Cl 2 (g) NaCl(s) 3Li(s) + N 2 (g) 2Li 3 N(s) 4Na(s) + O 2 (g) 2Na 2 O(s) reactions with air Principles of Chemistry II © Vanden Bout Principles of Chemistry II © Vanden Bout Hydrides and oxides are basic Na 2 O(s) + H 2 O(l) 2NaOH(aq) Nucleophilic (wants nuclei) Electron rich NaH(s) + H 2 O(l) 2NaOH(aq) + H 2 (g) H in -1 oxidation state (can deprotonate nearly anything) Principles of Chemistry II © Vanden Bout Where are they?...
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This note was uploaded on 05/01/2008 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas.

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dvb041708a4 - Principles of Chemistry II © Vanden Bout The...

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