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Need to know the number of C-C-C bonds in petane C5H12?
Gronert of UCSF reports bond energies for C-H, C-H-C, etc.
Need to know the number of C-C-C bonds that exist in pentane. Know there are 5 carbon bonds in the formula, 12 C-H bonds, but need the C-C-C bonds.
Thanks, Greg in Alaska

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1 hour ago
thanks for the answers. Need to know how many "C-C-C" carbon bonds there are in Pentane, how is this calculated.
I know pentane has 5C bonds, 4 C-C bonds, but how many "C-C-C" bonds.
Thanks much!!
Greg C. from Anchorage, Alaska

2007-01-14 14:59:02 · 2 answers · asked by gregchase2000 1 in Science & Mathematics Chemistry

2 answers

3 c-c-c bonds:

carbons 1,2,3
carbons 2,3,4
carbons 3,4,5

2007-01-14 15:07:24 · answer #1 · answered by physandchemteach 7 · 0 0

As a general rule, anything with an "ane" in it's name is a saturated aliphatic hydrocarbon, unless it says something like "iso-" or has numbers in front of it. This means that it is a single straight chain, without any double bonds. Therefore the carbons in pentane, C5H12, are H3C-CH2-CH2-CH2-CH3, or 3 carbon-carbon-carbon bonds.

2007-01-14 23:18:00 · answer #2 · answered by WOMBAT, Manliness Expert 7 · 0 0

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