365 cs
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7/24/2019 365 CS
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Prin arderea a 0,4 moli dintr-o alchena se formeaza 36g de apa. Numarul de izomeri ai alchenei
(exceptand izomerii geometrici) este
!ormula generala a unei alchene "n#$n
Se determina alchena
%cuatia reactiei de ardere
& mol "n#$n ' &4n
& mol..&n g
"n#$n * 3n+$$ n"$ * n#$
0,4moli36 g
n '36+0,4&' /
lchena este pentena "/#&0
!ormulei "n#$n ii corespund $ tipuri de izomericiclici
"iclici