azeezat52581 azeezat52581
  • 13-04-2018
  • Chemistry
contestada

What is the value of the rate constant of a first-order process that has a half-life of 225 s?

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kenmyna
kenmyna kenmyna
  • 23-04-2018
  The  value  of rate  constant  of  first  order   process  that has half  life  of  225s   is  calculated  as  follows

t(1/2) =  0.693/k  where  k  is  gas  constant

225 s= 0.693/k  multiply  both  side  by  k
 
225 k = 0693  divide  by  225

k  =  3.08  x10^-3

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