An isomerization reaction of a substance, A, is first order. In a laboratory class, one student group found that 28.5% of A had isomerized after a period of 15.0 minutes, when the temperature was maintained at 84.5 °C. What is the half-life of substance A at that temperature?

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The Answer of An isomerization reaction of a substance, A, is first order. In a laboratory class, one student group found that 28.5% of A had isomerized after a period of 15.0 minutes, when the temperature was maintained at 84.5 °C. What is the half-life of substance A at that temperature?

An Isomerization Reaction of a Substance, A, Is First Order