09.03b - Atomic Masses Like Electron m/z Separation by Mass...

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Unformatted text preview: Atomic Masses Like Electron m/z Separation by Mass (Neon) 1 Separation by Mass (Cu) A to m ic m a s s = 0 .6 9 0 9 * 6 3 + 0 .3 0 9 1 * 6 5 -------------------6 3 .6 A g r e e s w ith C a n n iz z a r o - ty p e w o rk ! The Nature of Isotopes W h a t d o y o u e x p e c t to b e im p o r ta n t? C h a r g e is a g o o d g u e s s S tru c tu re d e p e n d s o n : C h a rg e s (m a n y ) K in e tic E n e r g y M o m e n tu m O th e r!! The Nature of Isotopes H o w D o e s th e c h e m is tr y c h a n g e ? m uch 2 The Nature of Isotopes W h a t d o y o u le a r n ? • d e n s ity g r e a te r ( ~ 1 1 % ) • r e a c tio n s n o t in s ta n ta n e o u s ( k in e tic s ) • n o t d u e to d iffu s io n ( v is c o s ity ~ 2 5 % g r e a te r ) • n u c le i m o v e in th e r e a c tio n !! ( s a m e e le c tr o n s ) Could Do Molecules Instead A to m ic m a s s = 0 .6 9 0 9 * 6 3 + 0 .3 0 9 1 * 6 5 -------------------6 3 .6 A g r e e s w ith C a n n iz z a r o - ty p e w o rk ! 3 ...
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