draw and name all the cis and trans isomers of hexene?
453727
trans-2-hexene\n\ncis-2-hexene\n\ntrans-3-hexene\n\ncis-3-hexene\n\npictures in link :)
577014
http://en.wikipedia.org/wiki/Alkenes\nhttp://en.wikipedia.org/wiki/Alkynes\nhttp://en.wikipedia.org/wiki/Benzene
661461
helium,.........,hydrogen,............, and oxygen??? I don't have the book on me right now, so I am drawing a blnk
853409
Trans- isomers are more stable than cis- isomers because they keep similar groups farther apart.  For example, trans- and cis- dichloro-ethene:\n\nTrans- vs. Cis- dichloroethene:\ntrans:\nhttp://shrimpandgrits.rickandpatty.com/blogfiles/transdce.png\ncis:\nhttp://shrimpandgrits.rickandpatty.com/blogfiles/cisdce.png\n\nObviously, in trans, the two Cl's are farther apart.  The story of stability in chemistry and materials is that alike things don't like to be by each other (like 2 positive charges or 2 magnetic norths repeling each other).  In organics, like groups close to each other experience what's called steric interactions, which make a molecule more unstable than the two alike groups being as far away as possible.
1032656
C4H10\n\nCH3-CH2-CH2-CH3
949279
There are five: alpha(aaeeee), beta(eeeeee),\ngamma(aaaeee), delta(aeeeee) and epsilon(aeeaee).\n\nTo visualize (since I can't draw the structures here), draw the the chair conformation of BHC. The "a" represents axial C-Cl, while "e" represents equatorial C-Cl.
70540
oxygen, nitrogen, hydrogen, methane, helium
401509
I don't know that question.\n\nI can tell you that it's an octahedral complex. The two isomers would be CIS (Both chlorides adjacent to each other) and TRANS (both chlorines opposite each other)
785805
6\nhelium\nneon\nargon\nkrypton\nxenon\nradon
818694
Well number 10 is\n\n(Z)-3,4-dimethylhept-3-ene\n\n14,15 and 15 and 17.... Need to be drawn out.\n\nGood Luck!
335880
i'm sorry. i'm taking O-chem but we didn't talk about cartesian vectors in our class. it's mostly nomenclature and synthesis.
956604
Try it out in the lewis-dot diagram\n      ..        ..\nH-O-Ca-O-H\n      ..        ..
715239
Triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon
926891
just count how many of each element you have, and make sure they add up\n\n\nC2H6 + 5O2 ---> 2CO2 + 3H2O\n2 carbon 6 hydrogen 2 oxygen----> 1 carbon 2 oxygen 2 hydrogen 1 oxygen\n\n\nso to even it out it would be...\n\nC2H6 + 7O2--->2CO2 + 3H2O\n2 carbon 6 hydrogen + 7oxygen--->2 carbon 4 oxygen + 6 hydrogen 3 oxygen\n\niff you add up each element they are the same on each side
69353
d)Argon: 1s2 2s2 2p6 3s2 3p6\ne)Could be carbon, silicon, germanium, tin, or lead.  It's not specific enough.  And there is no such thing as an "elemen." Please treat chemistry with enough respect just type a "t" at the end of a word.  \nCarbon: 1s2 2s2 2p2\nSilicon: 1s2 2s2 2p6 3s2 3p2\nGermanium:  1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2\nTin: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4d6 5s2 4d10 5p2 \nLead: \n1s2 2s2 2p6 3s2 3p6 4s2 3d10 4d6 5s2 4d10 5p6 6s2 4f14 5d10 6p2
786816
Structural isomerism\n\nStereoisomerism (Geometrical isomerism and optical isomerism)
975427
1) O(2) = dioxide\n\n2) SeF(6) = selenium hexafluoride\n\n3) Si(2)Br(6) = disilicon hexabromide\n\n4) SCl(4) = ? sulfur tetrachloride\n\n5) CH(4) = carbon tetrahydrogenide\n\n6) B(2)Si = diboron silicide\n\n7) NF(3) =nitrogen trifluoride\n\ni just learned that today they might not all be right