Get an Answer Iodine 131 has a half life of 8 days and decays by a first order process Smart Writing ServicesOctober 25, 2017 10:42 amOctober 25, 2017 Previous ArticleThe first-order rate constant for the gas phase decompositionNext Article400 g ice at −15 ◦C and 500 g water at 45 ◦C are mixed together in a insulating