What mass of Chlorine (Cl2) must react with excess phosphorus to produce 230 kJ of energy? Use the periodic table at the top of this test for any molar mass.
2P + 5C12 —> 2PC15
H= -886 kJ

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.