Calculate the melting temperature of Br2 under a pressure of 2 MPa, assuming the density of solid bromine is 4.050 g/cm3 , and that of liquid bromine is 3.102 g/cm3 , both assumed to be independent of temperature and pressure.

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.