What is the specific enthalpy of benzene vapor at 45 C and 0.7 atm absolute pressure, relative to a reference state of benzene vapor at 45 C and 1.27 atm absolute pressure

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

wher is the rest of the question

the answers are

c and c