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Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1.
(a) What is the half-life for this reaction? _ s
(b) If you start with 0.048 M I2 at this temperature, how much will remain after 5.29 s assuming that the iodine atoms do not recombine to form I2? _ M
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