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Rate constant of a reaction with a virsu...

Rate constant of a reaction with a virsus is `3.1 xx 10^(-4) s^(-1)`. Time required for a virus to become `75%` inactivated is

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`k=3.3xx10^(-4) s^(-1)`
Unit indicates first order reaction `ln"" (A)/(A_(t)) =kt`
`t=(1)/(k) ln ""(A)/(A_(t)) =(1)/(3.3xx10^(-4))ln""(100)/(25) rArr t=(10^(4))/(3.3) ln 4=4200.89" sec Time"=(4200.89)/(60)=70" m in"`
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