Alkanes with the lowest molecular weights are gases, those of intermediate molecular weight are liquids, and the heaviest are waxy solids.
ˈælkeɪnz wɪððə lˈoʊɪst məlˈɛkjʊlɚ wˈeɪts ɑːɹ ɡˈæsᵻz, ðoʊz ʌv ˌɪntɚmˈiːdiət məlˈɛkjʊlɚ wˈeɪt ɑːɹ lˈɪkwɪdz, ænd ðə hˈɛviɪst ɑːɹ wˈæksi sˈɑːlɪdz.