3. if you have had a clogged sink drain at your home,
you have undoubtedly tried using a commercial drain cleaner to dissolve the clog. what evidence is there that such drain cleaners work by chemical reaction?

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.