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A decomposition reaction has a rate constant of 0.0041 yr -1.(a) What is the half-life of the reaction?(b) How long does it take for [reactant] to reach 12.5% of itsoriginal value?
A first order reaction has a rate constant of 1.368 min'. a) How long will it take for the reactant to reach 3.2% of it's original value? b) What is the ty of the reaction? [4 marks)