dariusbeard62 dariusbeard62
  • 23-05-2017
  • Chemistry
contestada

What are the units of k in the following expression: rate = k [A][B]?

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cataviawilliams14
cataviawilliams14 cataviawilliams14
  • 23-05-2017
the units of k is 6.
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JavierCollante
JavierCollante JavierCollante
  • 23-05-2017
let recall the rate= M/ s, also that brackets, [ ], represent molar (M= mol/ liters).

if we solve the formula for K, we get--> K= rate/ [A] [B]

if we plug in the units of each value we get

K= (M/s)/ (M x M)

we then simply

K= M^-1 s^-1

or 

K= mol-1 L-1 s-1

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