Sample Exam 1

Sample Exam 1 - Chem1C,Sum06,FH,LecExam1Name_ Use scantron...

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Chem1C, Sum 06, FH, Lec Exam1                                                                     Name___________________________________ Use scantron for answering multiple choice and True/False questions. No outside paper is allowed. Use the reverse side of your answer paper as scratch. Show the calculation on the reverse page to get partial points. The last page contains a periodic table and important constants.  (Equations: S g   =  k P g;  P A   =  X A  P° A;  T f = i K f m; P V = n R T ).  Total points = 100 + 8 + 6 = 114. MULTIPLE CHOICE.  Select the one alternative that best completes the statement or answers the question (4 pts each).  1) 
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supersatu rated  solution  ________ __. 
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1)  ______ _  A i s   o n e   w i t h   a   h i gh er  co nc en tr ati on  th an  th so lu bil ity  m u s b e  in  contact  with  undisso lved  solid 
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is one that has  been heated  D) 
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exists only in  theory and cannot actually be prepared  E) 
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is one with more  than one solute    2) 
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Hydration  is a  specific  example  of the  phenome non  known  generally  as  ________ __. 
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2)  ______ _  A c o n d en sa tio d ilution 
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disordering  D) 
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salutation  E) 
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solvation    3) 
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The  solubility  of oxygen  gas in  water at  25 °C and  1.0 atm  pressure  of oxygen  is    The  solubility  of oxygen  in water  at 3.0 atm  and 25 °C  is  ________ __ g/L. 
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3)  ______ _  A
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3.0 
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B) 
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0.041 
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C) 
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0.014 
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D) 
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0.31 
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E)  0 . 2  
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Formatio n of  solutions  where the  process is  endother mic can  be  spontaneo us  provided  that  ________ __. 
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4)  ______ _  A t h e   s o l v e n t   i s  w at er  an th so lut is  ga t h e y   a r e  accom panied  by  another  process  that is  exother mic 
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they are  accompanied by an increase in disorder  D) 
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they are  accompanied by an increase in order  E) 
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the solvent is a  gas and the solute is a solid    5) 
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saturated  solution  ________ __. 
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5)  ______ _  A c o n t a i n s   a s   m uc so lv en as  it  ca ho ld  c a nnot be  attained 
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will rapidly  precipitate if a seed crystal is added  D) 
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contains no  double bonds  E) 
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Sample Exam 1 - Chem1C,Sum06,FH,LecExam1Name_ Use scantron...

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