Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN. CH3NC(g) à CH3CN(g) The reaction is first order. At 230 °C, the rate constant for the isomerization is 6.5 x 10-4/s. What is the half-life? How long would it take for the concentration of CH3NC to decrease to 70.0% of its initial value? to 20.0% of its initial value?

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