PS1 - Problem Set 1 BILD1 FA 2009 1) Using water as an...

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Problem Set 1 BILD1 FA 2009 1) Using water as an example, explain what a polar molecule is. Using the stick diagram, label which atoms are positively or negatively polarized. 2) For each molecule shown, decide if it can accept a hydrogen bond, donate a hydrogen bond, do both, or do neither. Circle the H that acts as a donor H. Indicate the H’s that can not participate in H bonding with an arrow. a) CH 3 - CH 2 0 H b ) C H 3 -0- CH 3 c) CH 3 - NH-CO-CH 3 d ) C H 3 - CH 2 - CH 2 - CH 3 e) CH 3 - CH0H-CHOH- CH 3 f) H 2 3) Look at the molecules listed below. a) Which of the molecules are hydrophobic? b) Which are hydrophilic? c) Which are amphipathic? d) Which molecules can ionize? e) Write each of the molecules in molecular short hand (I will give you one (D) ).
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4) HCl is a strong acid. What distinguishes a strong acid from a weak one? Describe the pH scale. What would be the pH of a 0.1 M solution of HCl? What would be the concentration of OH- in this solution?
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PS1 - Problem Set 1 BILD1 FA 2009 1) Using water as an...

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