Lec14-chem

Lec14-chem - Review Periodic Trends: Covalent oxide...

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Review Periodic Trends: Covalent oxide (acidic) Ionic oxide (basic) Polarizing Power vs. Polarizability Double bonds and size Group V and VI elements
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2Mg + SiO 2 + heat Mg 2 Si + O 2 Mg 2 Si (s) + 4HCl (aq) SiH 4 (g) + 2MgCl 2 (aq) SiH 4 (g) + 2O 2 (g) SiO 2 (s) + 2H 2 O DEMO!
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How should you study for the next exam? Know your periodic trends well! The book goes into much more information, but it is good to know. I don’t expect you to memorize how Na is extracted from molten NaCl, but given standard cell potentials, equilibrium constants, enthalpy, entropy, and / or Gibb’s free energy I expect you to be able to figure if a given reaction is spontaneous.
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I do expect you to be able to predict simple reactions with oxygen and hydrogen Ex. Li + O 2 Tips: Become very familiar with the periodic table and its trends. Do all of your homework! Although the question are not the same, they will help. Li 2 O 4 2
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Preview Group VII The Halides Group VIII The Noble Gasses
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Group VII- The Halogens Valence electron configuration n s 2 n p 5 Trends are smooth with the exception of the
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This note was uploaded on 03/21/2009 for the course CHEM 6C taught by Professor Hoeger during the Spring '08 term at UCSD.

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Lec14-chem - Review Periodic Trends: Covalent oxide...

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