 M 	         0       "   Caolan80                  	 4                                                                       l                                                                                    4                     C                                                                    "                                                        X          .                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             "                                                                                                                         D a t e : 	 	 E X P E R I M E N T   B   M E A S U R E M E N T   O F   p H   a n d   p K a   b y   T i t r a t i o n 
 N a m e : 	 	 
 
 T h e r e   i s   n o   n e e d   f o r   a n y   i n t r o d u c t i o n   /   d i s c u s s i o n   /   e x p e r i m e n t a l   s e c t i o n s . 
 
 P a r t   1 . 
 T a b l e   1 .   T a b u l a t e   t h e   m e a s u r e d   p H s   a n d   o f   t h e   t h r e e   s o l u t i o n s   a n d   c a l c u l a t e   t h e   p K a   o f   e t h a n o i c   a c i d . 
 
 P a r t   2 . 
 G r a p h   1 .   P l o t   p H   v e r s u s   v o l u m e   o f   N a O H   a d d e d .   L a b e l   t h e   a x e s   a n d   p l o t   s y m b o l s ,   n o t   l i n e s   a n d   d o   n o t   j o i n - t h e - d o t s .   S h o w   t h e   e n d p o i n t ,   t h e   h a l f - n e u t r a l i s a t i o n   p o i n t   a n d   t h e   p K a   o f   e t h a n o i c   a c i d . 
 D o   n o t   t a b u l a t e   t h e   r a w   d a t a ,   g r a p h   i t . 
 
 E s t i m a t e   t h e   u n c e r t a i n t y   o n   t h e   p K a   ( u s e   s e v e r a l   d a t a s e t s   f r o m   t h e   g r o u p   a n d   c a l c u l a t e   t h e   m e a n   a n d   s t a n d a r d   d e v i a t i o n ) . 
 
 F i n a l l y ,   i n s e r t   b r i e f   2 - 3   s e n t e n c e   a n s w e r s   t o   t h e   q u e s t i o n s   h e r e . 
 
 N o t e :   P a r t   1   i s   a   h i n t   o n   h o w   t o   g e t   t h e   p K a   a c c u r a t e l y   i n   p a r t   2 .   W h e n   h a l f   t h e   a c i d   i s   t i t r a t e d ,   t h e n   y o u   h a v e   e q u a l   a m o u n t s   o f   a c i d   a n d   s a l t ;   l o o k   a t   e q u a t i o n   ( 6 )   i n   t h e   s c r i p t   a n d   s e e   w h a t   t h e   p H   s h o u l d   b e   a t   t h i s   p o i n t . 
                                                                                                                                                                                                                                    (  X  Z  \  v         "  2  B                      ^	  `	  h	  "  Զv__E__________         3B* CJ mH	sH	6 5PJ nH ^J aJ _H tH ] \-B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ >;B*ph    CJ mH	sH	5PJ nH ^J aJ _H tH \OJ QJ  >B*ph    H*CJ mH	sH	5PJ nH ^J aJ _H tH \OJ QJ  ;B*ph    CJ mH	sH	5PJ nH ^J aJ _H tH \OJ QJ -B* CJ mH	sH	5PJ nH ^J aJ _H tH \'B* CJ mH	sH	PJ nH ^J aJ _H tH     v         "  2                   ^	  `	                                                                                                                                                                                                       dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh    dh    dh $a$   dh $a$   dh $a$   dh    dh  `	  "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          dh $a$ 2 . A!n"nn#nn$n2P  1h3P  (2 0                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R o o t   E n t r y                                                  	           F                       
       C o m p O b j                                                                                                 j        O l e                                                         
                                                   1 T a b l e                                                                                              S       S u m m a r y I n f o r m a t i o n                           (                                         %   X      W o r d D o c u m e n t                                                                               	   4                                                                                                                                                                                                                                      3744 98.920420 
1755.222560 98.872166 
1757.151376 98.823066 
1759.080192 98.840923 
1761.009008 98.799823 
1762.937824 98.893541 
1764.866640 98.870954 
1766.795456 98.767839 
1768.724272 98.584234 
1770.653088 98.463423 
1772.581904 98.300989 
1774.510720 98.294749 
1776.439536 98.237593 
1778.368352 98.084838 
1780.297168 97.903268 
1782.225984 97.868095 
1784.154800 97.755982 
1786.083616 97.732611 
1788.012432 97.806735 
1789.941248 97.773167 
1791.870064 97.813673 
1793.798880 98.059539 
1795.727696 98.237015 
1797.656512 98.369207 
1799.585328 98.460941 
1801.514144 98.526278 
1803.442960 98.609382 
1805.371776 98.679908 
1807.300592 98.712540 
1809.229408 98.750557 
1811.158224 98.823809 
1813.087040 98.919354 
1815.015856 98.916776 
1816.944672 98.921240 
1818.873488 98.973782 
1820.802304 99.088123 
1822.731120 99.053094 
1824.659936 98.992908 
1826.588752 99.004729 
1828.517568 98.950024 
1830.446384 98.966363 
1832.375200 99.070668 
1834.304016 99.147993 
ࡱ                ;  	                                                      
         
                                 R o o t   E n t r y                                                                                                                                                                                                                                                                                                                                                                                                                                                             	   
         
                                                             !   "   #   $   %   &   '   )   *   +   ,   -    
  	           F   Microsoft Word-Dokument 
   MSWordDoc    Word.Document.8 9q                                                                                                  
  [         j   j    D e f a u l t      $ a$ 1$ *$7$5$3$A$ / B* OJ	 QJ	 CJ mH	sH	PJ nH ^J aJ _H tH                    B A@ B    A b s a t z - S t a n d a r d s c h r i f t a r t             B  B    A b s a t z - S t a n d a r d s c h r i f t a r t     H H    W W - A b s a t z - S t a n d a r d s c h r i f t a r t     J J    W W - A b s a t z - S t a n d a r d s c h r i f t a r t 1     . B ".   	 T e x t   b o d y   
    x   ( /!2(    L i s t      OJ	 QJ	 ^J
 H  BH    C a p t i o n   
  x x $  OJ	 QJ	 CJ 6^J
 aJ ].  R.    I n d e x     $  OJ	 QJ	 ^J
 F  "F    H e a d i n g   
   x $  OJ	 QJ	 CJ PJ ^J aJ 0 !r0    F r a m e   c o n t e n t s                                                                          
     j     	   
        j                           P         G                                    T i m e s   N e w   R o m a n   5                                   S y m b o l   3&                                    A r i a l   Q                                    B i t s t r e a m   V e r a   S e r i f   O                                    B i t s t r e a m   V e r a   S a n s   =                                    L u c i d a s a n s   5                                    S y m b o l   M                                   N i m b u s   R o m a n   N o 9   L   M                                    N i m b u s   R o m a n   N o 9   L   M                                    N i m b u s   R o m a n   N o 9   L   =                                    L u c i d a s a n s   G                                   M i n c h o   m s m i n c h o   B      h    ^{ Q
                                        '                                                                                                                                                                                                                                                                                                                                     0                                                                                                                                                                                                                              Oh +'0   (  
      p   	   x   
            
                                                              7   @   .   @     b>@   鑛~@   -~      Benjamin Horrocks         Benjamin Horrocks                                                                                                                                                                                                                              M 	         0       j   Caolan80                  	 4                                                                       l                                                                                    4   N     j               <                                                                  ~                                                        X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       ~                                                                                                                         D a t e : 	 	 E X P E R I M E N T   A   D G   O F   A   R E A C T I O N   A N D   T H E   N E R N S T   E Q U A T I O N 
 N a m e : 	 	 
 
 T h e r e   i s   n o   n e e d   f o r   a n y   i n t r o d u c t i o n   /   d i s c u s s i o n   /   e x p e r i m e n t a l   s e c t i o n s . 
 
 P a r t   1 .   
 T a b l e   1 .   T a b u l a t e   t h e   c e l l   p o t e n t i a l s   a n d   t e m p e r a t u r e s . 
 
 G r a p h   1 .   P l o t   D G   v e r s u s   t e m p e r a t u r e   i n   K e l v i n .   L a b e l   a x e s   a n d   d r a w   a   b e s t   f i t   l i n e .   C o m p u t e   i t s   s l o p e   a n d   u s e   t h i s   t o   d e t e r m i n e   D S   a n d   t h e n   D H   f r o m   D G   = D H - T D S . 
 
 U s e   L I N E S T   ( h e l p n o t e s   o n   B B )   o r   s i m i l a r   t o   e s t i m a t e   t h e   u n c e r t a i n t y   o n   D S   a n d   D H . 
 
 P a r t   2 . 
 G r a p h   2 .   P l o t   p o t e n t i a l   ( E )   i n   v o l t s   ( V )   a g a i n s t   l o g 1 0 [ A g + ] .   L a b e l   a x e s   a n d   d r a w   a   b e s t   f i t   l i n e .   C o m p u t e   i t s   s l o p e   a n d   c o m p a r e   i t   t o   t h e   v a l u e   o f   t h e   s l o p e   p r e d i c t e d   b y   t h e   N e r n s t   e q u a t i o n   ( t h i s   i s   e q u a t i o n   ( 2 )   i n    T r e a t m e n t   o f   R e s u l t s   a n d   D i s c u s s i o n    i n   t h e   s c r i p t .   T a k e   c a r e :   l o g 1 0   i s   n o t   t h e   s a m e   a s   l n      s e e   a   d e m o n s t r a t o r   i f   y o u   d o n ' t   k n o w   h o w   t o   c o n v e r t   b e t w e e n   t h e   t w o .   L n ( x )   =   2 . 3 0 3   l o g 1 0 ( x ) 
 U s e   L I N E S T   ( h e l p n o t e s   o n   B B )   o r   s i m i l a r   t o   e s t i m a t e   t h e   u n c e r t a i n t y .   C o m m e n t   o n   t h e   u n c e r t a i n t i e s . 
 
 E x t r a p o l a t e   y o u r   E   v s   l o g 1 0 [ A g + ]   g r a p h   t o   d e t e r m i n e   [ A g + ]   i n   s a t u r a t e d   A g C l .   Y o u   c a n   d o   t h i s   b y   u s i n g   t h e   e q u a t i o n   o f   t h e   b e s t   f i t   l i n e   t o   f i n d   l o g 1 0 [ A g + ]   f o r   t h e   p o t e n t i a l   y o u   m e a s u r e d   f o r   t h e   s a t u r a t e d   A g C l .   C o m p a r e   w i t h   t h e   C R C   h a n d b o o k   v a l u e .   I f   y o u   l o o k   u p   s o l u b i l i t y   p r o d u c t   o f   A g C l   r a t h e r   t h a n   s o l u b i l i t y ,   b e   a w a r e   t h a t   t h i s   =   [ A g + ] [ C l - ]   a n d   i s   e q u a l   t o   t h e   s q u a r e   o f   y o u r   m e a s u r e d   A g + .   ( B e c a u s e   [ A g + ]   =   [ C l - ]   i n   p u r e   s a t u r a t e d   A g C l ) 
 
 F i n a l l y ,   i n s e r t   b r i e f   a n s w e r s   t o   t h e   q u e s t i o n s   h e r e . 
                                                                                                                                                            (  *  z      $  &  4  8  H                                      z  |                
  ԹԢԢԢԢllԢԢ                 5B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ OJ QJ 5B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ OJ QJ -B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ 5B* CJ mH	sH	5PJ nH ^J aJ _H tH \OJ QJ -B* CJ mH	sH	5PJ nH ^J aJ _H tH \'B* CJ mH	sH	PJ nH ^J aJ _H tH  '
        R	  	  	  	  	  
  
  
                              .  0  8  :                      зЗvзззззззз                                          AB*ph    CJ mH	sH	6 5 PJ nH ^J aJ _H tH ] \ OJ QJ >B*ph    CJ mH	sH	65 PJ nH ^J aJ _H tH \ OJ QJ  0B* H*CJ mH	sH	5 PJ nH ^J aJ _H tH \  -B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ 0B* H*CJ mH	sH	5 PJ nH ^J aJ _H tH \ &   *  j                                                                                                                                                                                                                                                                                                                                                                                                                      -B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ -B* CJ mH	sH	5PJ nH ^J aJ _H tH \    z      $  &  8                
                                                                                                                                                                                                                       dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh    dh    dh    dh    dh $a$   dh $a$   dh    dh         j                                                                                                                                                                                                                                                                                                                                                                                                                                                                dh $a$   dh $a$   dh $a$ 2 . A!n"nn#nn$n2P  1h3P  (2 0                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R o o t   E n t r y                                                  	           F                              C o m p O b j                                                                                                 j        O l e                                                         
                                                   1 T a b l e                                                                                              3	       S u m m a r y I n f o r m a t i o n                           (                                         (   X      W o r d D o c u m e n t                                                                               	   4                                                                                                                                                                                                                                      04.796896 98.992579 
2906.725712 98.976851 
2908.654528 98.918134 
2910.583344 98.888908 
2912.512160 98.799079 
2914.440976 98.752988 
2916.369792 98.706397 
2918.298608 98.620865 
2920.227424 98.665279 
2922.156240 98.741117 
2924.085056 98.749558 
2926.013872 98.737980 
2927.942688 98.819498 
2929.871504 98.922924 
2931.800320 98.973568 
2933.729136 98.978226 
2935.657952 98.971865 
2937.586768 98.978103 
2939.515584 99.016387 
2941.444400 98.997887 
2943.373216 98.925028 
2945.302032 98.916786 
2947.230848 99.044154 
2949.159664 99.161294 
2951.088480 99.133270 
2953.017296 99.099674 
2954.946112 99.101614 
2956.874928 99.061422 
2958.803744 99.009498 
2960.732560 98.933102 
2962.661376 98.899364 
2964.590192 98.918083 
2966.519008 98.870526 
2968.447824 98.830827 
2970.376640 98.851554 
2972.305456 98.837461 
2974.234272 98.818313 
2976.163088 98.772490 
2978.091904 98.754418 
2980.020720 98.739116 
2981.949536 98.717175 
2983.878352 98.746542 
2985.807168 98.714744 
2987.735984 98.601841 
2989.664800 98.617486 
2991.593616 98.652255 
2993.522432 98.609183 
2995.451248 98.503933 
2997.380064 98.457248 
2999.308880 98.463183 
3001.237696 98.397493 
3003.166512 98.275931 
3005.095328 98.202448 
3007.024144 98.192876 
3008.952960 98.117607 
3010.881776 97.991841 
3012.810592 97.881010 
3014.739408 97.760832 
3016.668224 97.725704 
3018.597040 97.781205 
3020.525856 97.820051 
3022.454672 97.718268 
3024.383488 97.627978 
3026.312304 97.645450 
3028.241120 97.774916 
3030.169936 97.927070 
3032.098752 97.991052 
3034.027568 97.950208 
3035.956384 98.015830 
3037.885200 97.984608 
3039.814016 97.815108 
3041.742832 97.684501 
3043.671648 97.505230 
3045.600464 97.267749 
3047.529280 97.111331 
3049.458096 96.999126 
3051.386912 96.739652 
3053.315728 96.294407 
3055.244544 95.864948 
3057.173360 95.560367 
3059.102176 95.500307 
3061.030992 95.595326 
3062.959808 95.502417 
3064.888624 95.232616 
3066.817440 94.922970 
3068.746256 94.831722 
3070.675072 95.033456 
3072.603888 95.498847 
3074.532704 95.948037 
3076.461520 96.174073 
3078.390336 96.220538 
3080.319152 96.155428 
3082.247968 96.119373 
3084.176784 96.309307 
3086.105600 96.663214 
3088.034416 97.054572 
3089.963232 97.463848 
3091.892048 97.741336 
3093.820864 97.939707 
3095.749680 98.127595 
3097.678496 98.239187 
3099.607312 98.268509 
3101.536128 98.350679 
3103.464944 98.506496 
3105.393760 98.542739 
3107.322576 98.529796 
3109.251392 98.532019 
3111.180208 98.543729 
3113.109024 98.551991 
3115.037840 98.617463 
3116.966656 98.667300 
3118.895472 98.668876 
3120.824288 98.670130 
3122.753104 98.636116 
3124.681920 98.672279 
3126.610736 98.718333 
3128.539552 98.772412 
3130.468368 98.760631 
3132.397184 98.762747 
3134.326000 98.816936 
3136.254816 98.805904 
3138.183632 98.793347 
3140.112448 98.827592 
3142.041264 98.817894 
3143.970080 98.799894 
3145.898896 98.805749 
3147.827712 98.801296 
3149.756528 98.899188 
31ࡱ                ;  	                                                      
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                     R o o t   E n t r y                                                                                                                                                                                                                                                                                                                                                                                                                                                             	   
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                                                             !   "   #   $   &   '   (   )   *    
  	           F   Microsoft Word-Dokument 
   MSWordDoc    Word.Document.8 9q                                                                                                  
  [         j   j    D e f a u l t      $ a$ 1$ *$7$5$3$A$ / B* OJ QJ CJ mH	sH	PJ nH ^J aJ _H tH                    B A@ B    A b s a t z - S t a n d a r d s c h r i f t a r t             B  B    A b s a t z - S t a n d a r d s c h r i f t a r t     H H    W W - A b s a t z - S t a n d a r d s c h r i f t a r t     . B .   	 T e x t   b o d y   
    x   ( /"(    L i s t      OJ QJ ^J H  2H    C a p t i o n   
  x x $  OJ QJ CJ 6^J aJ ].  B.    I n d e x     $  OJ QJ ^J F  F    H e a d i n g   
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            
                                                              15  @    d
   @     b>@    ;O~@   -~      Benjamin Horrocks         Benjamin Horrocks                                                                                                                                                                                                                                                                                                                                                                                                                              M 	         0       
   Caolan80                  	 4          i                                                             l                                                                                    4                     C                                                                    "                                                        X          .                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             "                                                                                                                         D a t e : 	 	 E X P E R I M E N T   E   	   I N F R A R E D   S P E C T R O S C O P Y 
 N a m e : 	 	 
 
 T h e r e   i s   n o   n e e d   f o r   a n y   i n t r o d u c t i o n   /   d i s c u s s i o n   /   e x p e r i m e n t a l   s e c t i o n s . 
 
 A n s w e r   q u e s t i o n   1   h e r e . 
 
 P a r t   1 . 
 G r a p h s   1 - 2 .   ( p a s t e - s p e c i a l   a s   b i t m a p   o r   a n o t h e r   g r a p h i c   f o r m a t )   c o r r e c t l y   l a b e l e d   a n d   f o r m a t t e d   s p e c t r a .   I   r e c o m m e n d   y o u   u s e   E x c e l   t o   g r a p h   t h e   s p e c t r a l   d a t a   a n d   t h e n   d o    c o p y    a n d    p a s t e   a s   p i c t u r e  .   
 
 A n s w e r   q u e s t i o n s   2 - 7   a f t e r   t h e   a p p r o p r i a t e   s p e c t r a .   
 
 P a r t   2 . 
 G r a p h s   3 - 5 .   I n s e r t   t h e   s p e c t r a   o f   y o u r   t h r e e   u n k n o w n   l i q u i d s   h e r e .   P a y   a t t e n t i o n   t o   t h e   p r e s e n t a t i o n   o f   t h e s e   g r a p h s . 
 
 W r i t e   a   b r i e f   e x p l a n a t i o n   o f   h o w   y o u   a s s i g n e d   e a c h   s p e c t r u m   a n d   c l e a r l y   i d e n t i f y   w h i c h   l i q u i d   i s   w h i c h . 
 
 P a r t   3 . 
 G r a p h   6 .   I n s e r t   t h e   s p e c t r u m   o f   g a s e o u s   H C l .     P a y   a t t e n t i o n   t o   t h e   p r e s e n t a t i o n   o f   t h i s   g r a p h . 
 
 A n s w e r   q u e s t i o n   8   h e r e   ( s e e   A t k i n s   o r   C H Y 1 2 0 1   n o t e s   i f   t h e   l e c t u r e s   h a v e   a l r e a d y   c o v e r e d   v i b r a t i o n - r o t a t i o n   s p e c t r a ) 
                                                                                                                                                                                                                                                                                                                    X  h  j      4  6  F  \      F  H  X  n  D  F  V  `  	  	  (	  8	  	  	  
  ˴j                                                                         0B* CJ mH	sH	>*5 PJ nH ^J aJ _H tH \  -B* CJ mH	sH	5PJ nH ^J aJ _H tH \3B* CJ mH	sH	6 5PJ nH ^J aJ _H tH ] \-B* CJ mH	sH	5 PJ nH ^J aJ _H tH \ >;B*ph    CJ mH	sH	5PJ nH ^J aJ _H tH \OJ QJ  'B* CJ mH	sH	PJ nH ^J aJ _H tH     X  h  j      4  6  F      F  H  X  D  F                                                                                                                                                                                                                      dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh    dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh    dh  F  	  	  (	  	  	  
                                                                                                                                                                                                                                                                                                                                                                                                 dh $a$   dh $a$   dh $a$   dh $a$   dh $a$   dh $a$ 2 . A!n"nn#nn$n2P  1h3P  (2 0                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R o o t   E n t r y                                                  	           F                       
       C o m p O b j                                                                                                 j        O l e                                                         
                                                   1 T a b l e                                                                                              S       S u m m a r y I n f o r m a t i o n                           (                                         %   X      W o r d D o c u m e n t                                                                               	   4                                                                                                                                                                                                                                      ࡱ                ;  	                                                      	   
         
            R o o t   E n t r y                                                                                                                                                                                                                                                                                                                                                                                                                                                             	   
         
                                                             !   "   #   $   &   '   (   )   *   ,   -   .   /   0   1   2   3   4   5   6   7   8   9   :   ;   <   =   >   ?   @   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   [   \   ]   ^   _   `   a   b   c    
  	           F   Microsoft Word-Dokument 
   MSWordDoc    Word.Document.8 9q                                                                                                  
  [         j   j    D e f a u l t      $ a$ 1$ *$7$5$3$A$ / B* OJ QJ CJ mH	sH	PJ nH ^J aJ _H tH                    B A@ B    A b s a t z - S t a n d a r d s c h r i f t a r t             B  B    A b s a t z - S t a n d a r d s c h r i f t a r t     H H    W W - A b s a t z - S t a n d a r d s c h r i f t a r t     . B .   	 T e x t   b o d y   
    x   ( /"(    L i s t      OJ QJ ^J H  2H    C a p t i o n   
  x x $  OJ QJ CJ 6^J aJ ].  B.    I n d e x     $  OJ QJ ^J F  F    H e a d i n g   
   x $  OJ QJ CJ PJ	 ^J aJ 0 b0    F r a m e   c o n t e n t s                                                                          	        	                        P      
   G                                    T i m e s   N e w   R o m a n   5                                   S y m b o l   3&                                    A r i a l   Q                                    B i t s t r e a m   V e r a   S e r i f   O                                    B i t s t r e a m   V e r a   S a n s   =                                    L u c i d a s a n s   M                                    N i m b u s   R o m a n   N o 9   L   M                                    N i m b u s   R o m a n   N o 9   L   =                                    L u c i d a s a n s   G                                   M i n c h o   m s m i n c h o   B      h    ^F Q
                                        '                                                                                                                                                                                                                                                                                                                                     0                                                                                                                                                                                                                                                                      Oh +'0   (  
      p   	   x   
            
                                                              13  @   ̒
   @     b>@   T~@   -~      Benjamin Horrocks         Benjamin Horrocks                                                                                              M 	         0       	   Caolan80                  	 4                                                                       l                                                                                    4                     ;                                                                                                                            X          &                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      D a t e : 	 	 E X P E R I M E N T   J 	 I N V E S T I G A T I O N   O F   T H E   B Z   R E A C T I O N 
 N a m e : 	 	 
 
 T h e r e   i s   n o   n e e d   f o r   a n y   i n t r o d u c t i o n   /   d i s c u s s i o n   /   e x p e r i m e n t a l   s e c t i o n s . 
 
 G r a p h   1 .   P l o t   p o t e n t i a l   a g a i n s t   t i m e .   Y o u   w i l l   h a v e   e n o u g h   p o i n t s   f o r   a   s o l i d   l i n e   w i t h o u t   s y m b o l s   t o   b e   a p p r o p r i a t e .   L a b e l   t h e   a x e s ,   d o n ' t   f o r g e t   u n i t s . 
 
 I n   t h e   t e x t   b e l o w   t h e   g r a p h ,   d e s c r i b e   b r i e f l y   w h a t   c o l o u r s   y o u   o b s e r v e d   c o r r e s p o n d i n g   t o   t h e   m a i n   f e a t u r e s   ( p e a k s   &   t r o u g h s )   i n   t h e   g r a p h   o f   p o t e n t i a l   a g a i n s t   t i m e .   
 
 G r a p h   2 .   C o n v e r t   t h e   p o t e n t i a l s   i n   g r a p h   1   t o   C e [ I V ] / C e [ I I I ]   r a t i o s   u s i n g   t h e   d a t a   i n   t h e   s c r i p t .   P l o t   t h e   r a t i o   o f   o x i d a t i o n   s t a t e s   a g a i n s t   t i m e .   T a k e   c a r e   w i t h   u n i t s   V   a r e   s t r i c t   S I   n o t   m V . 
 
 C o m m e n t   b r i e f l y   o n   t h e   p h e n o m e n a   y o u   s a w   i n   t h e   p e t r i   d i s h .   
 
 A n s w e r   q u e s t i o n   1   h e r e   ( 4 - 5   s e n t e n c e s   a r e   e n o u g h ) . 
        j  z  |      &  J  L            	  	  	  	  	  ʳ                                     