Suppose that information about rate of decay for butane isomerization reaction [A] = ln [2t+5] - ln[10t+25] +5t If [A] = Mass of butane at time t (kg/sec) t= Reaction time (sec) What is reaction time for operating reaction until butane is diluted (Imply reaction stopped !!!)
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Given data [A] = 0 kg/sec also 0 = ln[2t+5]-ln[10t+25]+5t 0 = ln [(2t+5)/5(2t+5)]+5t 0 =ln(1/5)+5t t=-ln(1/5)/5 So t = 0.322 sec.