Homologous series

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Melting points from methanoic acid to eicosanoic acid

0 2 4 6 8 10 12 14 16 18 20 -60 -40 -20 0 20 40 60 80 methanoic acid ethanoic acid propanoic acid butanoic acid pentanoic acid hexanoic acid heptanoic acid octanoic acid nonanoic acid decanoic acid undecanoic acid dodecanoic acid tridecanoic acid tetradecanoic acid pentadecanoic acid hexadecanoic acid heptadecanoic acid octadecanoic acid nonadecanoic acid eicosanoic acid
1methanoic acid8
2ethanoic acid15.5
3propanoic acid-36.5
4butanoic acid-5.7
5pentanoic acid-59
6hexanoic acid-3.4
7heptanoic acid-8
8octanoic acid16.7
9nonanoic acid12
10decanoic acid31.6
11undecanoic acid29
12dodecanoic acid43
13tridecanoic acid41
14tetradecanoic acid58
15pentadecanoic acid53
16hexadecanoic acid63
17heptadecanoic acid61
18octadecanoic acid69.6
19nonadecanoic acid69
20eicosanoic acid75