Three processes that have been used for the industrial manufacture of acrylonitrile (CH2CHCN), an important chemical used in the manufacture of plastics, synthetic rubber, and fibers, are shown below. Use bond energy values (Table 8.4) to estimate H for each of the reactions. a. b. The nitrogenoxygen bond energy in nitric oxide (NO) is 630. kJ/mol. c. d. Is the elevated temperature noted in parts b and c needed to provide energy to endothermic reactions?
BCHM 307 Week 2 Notes Erin VanHoosier Ch. 4 Protein Structure 4-1: Proteins are Chains of Amino Acids Protein: biological molecule consisting of one or more polypeptides Polypeptides: chains of polymerized (combined) amino acids Amino Acid (AA) : small molecule containing an amino group, carboxylate group and side chain (R group…can be anything!) The 20 AAs have different chemical properties: The R GROUPS make the 20 AAs UNIQUE APPHA CARBONS: are the carbons attached to the amino and carboxylate groups Chirality: the positioning of the molecule in relation to the alpha carbon o Different positioning makes for DIFFERENT molecule