CHM103 Corrections Archive
Dr. A. Loh		  

Below are listed corrections to problem sets, exams, in-class problems, and handouts throughout the semester.

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Location: Correction: Hall of Fame Member:      
       
PS1 key #8c

Final conversion from yr to sec is wrong. Should be:
(1 yr/365 d)(1 d/24 hr)(1hr/3600 s) which gives a final answer of 1.1 x 10^5 m/s

 Carly Windschitl      
PS1 key #10

Conversion factor is wrong. It should be:
(1 ft/12 in) which gives a final answer of 1.4 x 10^2 mi/hr

 Emma Sabel      
Exam1 #1 key, #2 problem is about gylcerol Nash Herbst (F10)      
Exam1 #1 key, #2c answer should be 5.7 mol Nash Herbst (F10)      
Exam1 #1 key, #4d(ii) phosphorous pentachloride Nash Herbst (F10)      
Exam1 #1 Question is about glycerol, which has the formula C3H8O3. Kyle Retzki & Jacqueline Steinmetz      
Exam1 key #1a Math error. Answer should be 0.0147 dmol C John Nehls      
PS4 key #4b Math error. Answer should be 2.59 mol Kyle Retzki      
PS4 key #5c SF error. Answer should be 5.7g Kyle Retzki      
PS6 key #4a Should be:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
Valence = 4s2 4p2; Core = all others		 Zach Kubichek (F09)      
PS8 key #5 Bond dipoles are pointing in the wrong direction. They should point towards the N atoms Kyle Retzki      
PS10 key #3b STP is 1 atm and 273.15 K Sarah Kemmerick      
PS10 key #4 T=295 K, so that MW = 28.0 g/mol Sarah Kemmerick & Trevor Vannatta      
PS11 key #15b T = 100.37 C Brittany Vogt & Chelsea Klika      
PS11 key #14 Mass of water is 105 kg. Chelsea Klika      
Practice Problems key #8a n=4 Victoria Stephan (F09)      
           
           
           
           
           
           
           
           
           
 

 

 


      
           
           
           
           
           
           
           
           
           
           
           
           
         
       
     
     
     
     
     
     
     
     
       
         
       
         
         
         
         
       
       
       
         
           
             
             
             
         
             
               
 
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