Question

formula de ardere a primilor 10 alcani ​

Answer 1

n=1 C1H4 CH4
Metan Etan
Propan
Butan
Pentan
Hexan
Heptan
Octan
Nonan
Decan
Undecan
Dodecan
.................. Eicosan
CH3 CH3
CH3 CH2 CH3 CH3 (CH2)2 CH3
n=2 C2H6
n=3 C3H8
n=4 C4H10
n=5 C5H12
n=6 C6H14
n=7 C7H16
n=8 C8H18
n=9 C9H20
n=10 C10H22
n=11 C11H24
n=12 C12H26
........... ............... ................................................
n=20 C20H42 CH3  (CH2 )18  CH3 Structura alcanilor
CH3  (CH2 )3
CH3  (CH2 )4
CH3  (CH2 )5
CH3  (CH2 )6
CH3  (CH2 )7
CH3  (CH2 )8
CH3  (CH2 )9
CH3 (CH2)10 CH3
 CH3  CH3  CH3  CH3  CH3  CH3  CH3