PLEASE HELP !! Show for each couples which has the highest vapor pressure:
*CH3COOH and C3H8 , *C2F2 and CF4 , *C18H38 and C30H62 , *Br2 and I2

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

a polar bond is formed when electrons are shared unevenly between atoms

im doing test rn im going with 2 but ill give answer if itss wrong,   : )