However, {HEAD ~ the hexadecane contact angles} of {TAIL ~ the monolayers} formed in CO2 are large, matching the water contact angle results 
However , { HEAD ~ the hexadecane contact angles } of { TAIL ~ the monolayers } formed in CO2 are large , matching the water contact angle results
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH