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Adrian College - ELECTRONIC - 607
Adrian College - ELECTRONIC - 607
Adrian College - ELECTRONIC - 607
Adrian College - ELECTRONIC - 607
Adrian College - ELECTRONIC - 607
1Basic Concepts1.11.21.31.41.51.6Systems of Units.Electric Charge.Current.Voltage.Power and Energy.Circuit Elements.DrDr Branislav HredzakAlexander and Sadiku, Fundamentals of Electric Circuits, Third Edition. McGraw-Hill2System of Units
Lone Star College System - ECON - 2301
When it comes to improving your physical appearance, your individual goals can bebroken down into two major categories. These are either getting leaner, or getting bigger.Getting a little bit bigger and a little bit leaner at the same time is generally
VCU - CHEM - 301
Name_CHE 301: Organic Chemistry IFall, 2002Exam 21) Multiple choice. (45 pts)1) In a reaction energy diagram of a multistep reaction, which best describes the rate-determiningstep?a) the step that involves the highest energy transition stateb) the
VCU - CHEM - 301
FBrFBrAll the R/S designations will be changed in enantiomersIf there is a double bond, then its stereochemistry (cis/trans)will remain the same.BrBroA diastereomer is a non-superimposible non-mirror image.FBrFBrSome but not all of the R/S
VCU - CHEM - 301
Chapter 5 StereochemistryChiralityo For a carbon to be chiral, it must have four different groups bondedto itMust be tetrahedral, but thats necessary for the above to betrue anyway.HHCCClBrCH3CH3chiralHBrachiralThus, CH3 or CH2 will neve
VCU - CHEM - 301
Chapter 4HalogenationAddition of halogen to an alkaneoOnly works on sp3-hybridized carbonsWorks best with chlorine and bromineo Iodine is too slowo Fluorine blows up (too fast)Goes through radical intermediate, so putting halogen on more substitut
VCU - CHEM - 301
1H4Br23o If the circle was clockwise, then assign Ro If counterclockwise, then assign SWhat do I do if the #4 group is coming forward?Bro Still assign priorities to the different groups23Br41o Find R/S as though #4 was going back.23Br4
VCU - CHEM - 301
o Meso compounds do not have to be cyclicWhat is the relationship between these two compounds?ClClClClTheyre the same because if you rotate around the singlebonds you can get them into symmetrical forms.ClClClClTheyre two different drawings of
VCU - CHEM - 301
Chapter 5 StereochemistryChiralityo For a carbon to be chiral, it must have four different groups bonded to itMust be tetrahedral, but thats necessary for the above to be trueanyway.HHCCClBrCH3CH3chiralHBrachiralThus, CH3 or CH2 will neve
VCU - CHEM - 301
o Common question for this materialHow many monochorinated products, includingstereoisomers, will you get when you chlorinate a particularcompound.Ex.First, find all the positions that give you distinct structural isomers.Then, go through and see if
VCU - CHEM - 301
Enantiomers rotate light the same amount, but inopposite directions.o So if one stereoisomer rotates light 4 to theright, then its enantiomer will rotate light 4 tothe left.o It is important to understand that R/Sconfiguration does not tell you whe
VCU - CHEM - 301
EXPT. 6: Resolution of a Racemic Mixture of Phenylsuccinic acidAs discussed in the polarimetry section of the techniques, enantiomers of a given compoundhave the same formula, but differ in the spatial arrangement of the atoms. The (+) isomer ofa set o
VCU - CHEM - 301
If you kept track of this as you did this, then you wouldhave something that looks like this:1,23,4,5,67,8,9,101112, 131415,16,17,1819,20ooIf you see, I just kept a tally of how many isomerswe had gotten to at each spot.So here, there are 2
VCU - CHEM - 301
If you kept track of this as you did this, then you wouldhave something that looks like this:1,23,4,5,67,8,9,101112, 131415,16,17,1819,20ooIf you see, I just kept a tally of how many isomerswe had gotten to at each spot.So here, there are 2
VCU - CHEM - 301
TECHNIQUE: PolarimetryWritten by Albert T. Sneden, VCU Department of Chemistry with revisions by L.M. MosesA large number of organic compounds, particularly those from natural sources, have a physicalproperty known as specific rotation which is reporte
VCU - CHEM - 301
TECHNIQUE: Heating at RefluxWritten by Albert T. Sneden, VCU Department of Chemistry with revisions by L.M. MosesThere are many experiments in organic chemistry which call for heating the reactants in asolvent at the boiling point of the solvent for an
VCU - CHEM - 102
Chapter 4HalogenationAddition of halogen to an alkaneoOnly works on sp3-hybridized carbonsWorks best with chlorine and bromineo Iodine is too slowo Fluorine blows up (too fast)Goes through radical intermediate, so putting halogen on more substitut
VCU - CHEM - 102
Reactive IntermediatesCarbocationso Carbon with three bonds and no lone pairso Trigonal planar geometryosp2-hybridizedo empty p-orbitalo stability - 3>2>1> methylo electron-deficientoonly intermediate which can undergo rearrangementHhydride sh
VCU - CHEM - 102
The rest of chapter 4 that you should know from Gen ChemEquilibrium ConstantoKeq=oIf Keq> 1, then more products than reactantsoIf 0<Keq<1, then more reactants than productsoHe may ask you to propose a Keq for a reaction based on someinformation.