﻿Ions 
  in 
  Gases 
  under 
  Different 
  Pressures. 
  

  

  293 
  

  

  deduced 
  from 
  equation 
  (2) 
  are 
  marked 
  with 
  a 
  circle. 
  Only 
  

   the 
  experimental 
  curve 
  is 
  drawn 
  in 
  each 
  case 
  in 
  order 
  to 
  avoid 
  

   confusion 
  by 
  having 
  the 
  two 
  curves 
  so 
  close 
  together. 
  The 
  

   theoretical 
  points 
  are 
  obtained 
  by 
  choosing 
  two 
  experimental 
  

  

  Fi«- 
  4. 
  

  

  250 
  

   240 
  

   230 
  

   '220 
  

   210 
  

   200 
  

   190 
  

   180 
  

   170 
  

   160 
  

  

  § 
  150 
  

  

  f 
  S 
  

  

  «3 
  140 
  

  

  <D 
  

   ft 
  

  

  130 
  

  

  120 
  

  

  110 
  

  

  100 
  

  

  90 
  

  

  80 
  

  

  70 
  

  

  60 
  

  

  50 
  

  

  40 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

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  X 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

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  \ 
  

  

  

  

  

  

  

  

  

  

  

  

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  i 
  

  

  

  

  \ 
  

  

  \ 
  

  

  

  

  

  

  

  

  

  

  

  ( 
  

  

  

  

  

  

  

  

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  ( 
  

  

  

  1 
  

  

  

  

  

  

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  ». 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  \ 
  

  

  C^ 
  

  

  x^ 
  

  

  

  

  

  

  

  

  

  1 
  

  

  

  

  

  

  

  

  

  

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  ) 
  ->, 
  

  

  

  -JO 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  -040 
  *080 
  '120 
  -160 
  '200 
  '240 
  "280 
  -320 
  -360 
  "400 
  '440 
  *480 
  "520 
  '560 
  *600 
  

  

  Time. 
  

  

  points 
  on 
  the 
  curve 
  with 
  which 
  to 
  determine 
  a 
  and 
  JST, 
  and 
  

   having 
  obtained 
  these, 
  then 
  the 
  different 
  values 
  of 
  n 
  are 
  cal- 
  

   culated 
  from 
  the 
  formula 
  for 
  arbitrarily 
  chosen 
  values 
  of 
  t. 
  

   On 
  referring 
  to 
  the 
  diagrams 
  it 
  is 
  seen 
  that 
  the 
  experimental 
  

  

  