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Daniel E. for tutoring lessons in Chicago IL Over 50 tutoring hours WyzAnt Tutoring Tutor Tutor United States

Daniel E.

Science, Math, and Test Prep made fun and stress free

Chicago, IL (60622)

Travel Radius 20 miles
Hourly Fee $50.00
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  20 ratings

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Daniel's Responses in WyzAnt Answers

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TrinomialsFactoring

Factor The expression completely

36y4(y + 12)3 + y5(y + 12)4

+ more- less
Asked by Zafar from Cincinnati, OH
00

Daniel's Answer:

Answer: (x - 6) (x - 4)

Because,

-6 * -4 = 24

-6x + -4x = -10x

x * x = x^2

ChemistryChemisrty

what is a secondary carbon?

Im not 100% sure of what is a secondary carbon or how i can identify one. the question was which of the following molecules are made up of only secondary carbons

  • toluene
  • 1,2 dimethylcyclopentane
  • benzoic acid
  • benzene
  • propene
+ more- less
Asked by Kimberly from Clifton, NJ
00

Daniel's Answer:

A primary carbon is a carbon atom bound to only one other carbon atom. A secondary carbon is a carbon atom bound to two other carbon atoms.  

Ex of primary and secondary carbons in propane:  H3C-CH2-CH3

Both the 1st and 3rd carbons would be primary since they are bound to only one other carbon molecule.

The middle carbon would be secondary since it is bound to two different carbon atoms (the 1st and the 3rd).

Take a look at the diagram at http://en.wikipedia.org/wiki/Carbon–carbon_bond

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