1. Calculate the heat of vaporization of bromine if bromine has Pvap = 400 mm at 41.0 °C and a normal boiling point of 331.9 K? Express your answer in kJ/mol?
2. Determine the mass of the liquids in grams if this liquid is added to the beaker the combined mass becomes 238.254 grams? Given that the mass of beaker=225.08 g?