CHM 109     SS I 2010 Exam Key List

Exam 1:         Key            Grading comments: s.f.: significant figures,

        students         17                   r.e.: rounding error,  m.e.: math error or calc.: calculator error 

           range       4.7-14.2              alg.: algebra error, awk.: awkward prose, ww: wrong word

         average       10.03                    

             A's                 0                  Key improvement areas: unit conversions, learn metrics,  s.f.,  start earlier!!!

          B+'s              0                  Understanding (being able to draw) Hydrogen Bonds!!! 

         B's               1                   Review some memory content of subjects not on Study Guide?  Limits?

Exam 2:       Key            

       students         13                            Algebra, calculator use, s.f.

         range        9.0-15.0                    It appeared that some of you prepared well for the earlier pages of the

      average        11.44                             exam, but not the later pages.

          A's             1                       

          B+'s           1                      

          B's             3