Discussion on Chemical Kinetics


 

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Posted on: 11:34:16 AM on August 18, 2017
Posted By:
rdrj2784
Half life period of 1st order reaction is 60min.what % will be left after 240min


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Posted on: 12:20:12 PM on October 10, 2017
Amount of the substance left after n half life = A/2n The half life period of a first order reaction is 60 minutes Number of half lives = 240 / 60 = 4 i.e. n = 4 Amount of the substance left after 4 half lives = A / 2 4 = A / 16 = 0.0625 of A = 6.25





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