Question

as formulas estruturais e moleculares dos alcanos propano pentano heptano decano

Answer 1

CH3-CH2-CH3 ⇔(C3H8) Propano

CH3-CH2-CH2-CH2-CH3 ⇔(C5H12) Pentano

CH3-CH2-CH2-CH2-CH2-CH2-CH3 ⇔(C7H16) Heptano

CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3 ⇔(C10H22) Decano

Espero ter ajudado. (: