C142A Ch 1 2011 lecture 2

C142A Ch 1 2011 lecture 2 - Lecture 2: Finish Ch. 1;...

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Lecture 2: Finish Ch. 1; Appendices 1&2. Before Today: Before Today: Read syllabus, Appendix 1 & 2 (see details) & Ch. 1 Read syllabus, Appendix 1 & 2 (see details) & Ch. 1 Do the Initial Assessment on ALEKS by 11 PM. Do the Initial Assessment on ALEKS by 11 PM. For Monday: For Monday: Get your Clicker and register its ID on Catalyst. Get your Clicker and register its ID on Catalyst. (same clicker can be used for all your courses). (same clicker can be used for all your courses). Work examples from Ch. 1 notes (web) on your own. Work examples from Ch. 1 notes (web) on your own. Read Ch. 2 (see Reading schedule in Syllabus) Read Ch. 2 (see Reading schedule in Syllabus) Start working toward Objective 1 on ALEKS, due Start working toward Objective 1 on ALEKS, due next Friday at 9 PM (8:55 to allow clock error). next Friday at 9 PM (8:55 to allow clock error). and work Ch. 1 example problems and work Ch. 1 example problems Drs. Phil Reid and Andrea Carroll will lecture on Monday. Drs. Phil Reid and Andrea Carroll will lecture on Monday.
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Chemistry Oceanography Atmospheric Sciences Economics Physics Medicine Governments Geology Anthropology Biology Astronomy Politics People Chemistry as the Central Science Engineering
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The next BIG THING in 1997: “Nanotechnology” The next BIG THING now: “Molecular Engineering”
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Poly(Vinyl Chloride) (PVC) and Teflon HC l CC HH C CCCCCCC HHHHHHHH l H C l lHC l n Vinyl chloride PVC FF Tetrafluoroethylene CCCCCCCC FFF Teflon n
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Figure 1.2 Paper: A Polymer called Cellulose The Polymer cellulose, which consists of The Polymer cellulose, which consists of B -D-glucose monomers. glucose monomers. Proteins, Proteins, DNAs DNAs and and RNAs RNAs are other biological polymers. are other biological polymers.
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The Scientific Method • Information or data is gathered by careful observation of the phenomenon being studied. • On the basis of that information a preliminary hypothesis is formed. • A series of experiments is devised to test the predictive power of the hypothesis.
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K (s) + H 2 O (l) KOH (aq) + H 2(g) Na (s) + H 2 O (l) NaOH (aq) + H 2(g) etc.
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He Ne Ar Kr Xe Rn The Periodic Table of the Elements CrMn Fe Co Ni Mo W Tc Re Ru Os Rh Ir Pd Pt Most Probable Oxidation State +1 +2 +3 +4 +3 +_4 - 3 - 2 - 1 0 H Li Na K Rb Cs Fr Sc Y Be Mg Ca Sr Ba Ra La Ac B Al Ga In Tl Ti Rf Hf Zr C Si Ge Sn Pb F Cl Br I At O S Se Te Po N P As Sb Bi Zn Cd Hg + 2 +1 Cu Ag Au +5 V Nb Ta Ce Th Pr Nd PmSmEu Gd Tb Dy Ho Er TmYb Lu Pa U Np Pu AmCmBk Cf Es FmMd No Lr +3 +3 Db Sg Bh Hs Mt Ds
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On the basis of the experimental tests, the hypothesis may be When accepted, we also often devise/test new hypotheses to explain why it is true. Laws sometimes later found to apply only in specified cases. The Scientific Method (cont.) (a) Accepted as scientific law or theory. (b) Modified so that all results are adequately explained.
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This note was uploaded on 01/18/2012 for the course CHEM 142A taught by Professor Campbell during the Fall '11 term at University of Washington.

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C142A Ch 1 2011 lecture 2 - Lecture 2: Finish Ch. 1;...

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