0. If a first order reaction has activation energy of
25000 cal and a frequency factor of 5 x 1012 sec. al
what temperature will the reaction rate have a half life
of (a) 1 minute (b) 80 days?
[Ans.(a) 97.87°C (b) – 4°C)
0.693
[Hint. k= for a first order reaction.]
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