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1) The thermal decomposition of acetaldehyde, CH:CHO CH4 +CO, is a second-order reaction. The following data were obtained at 518C. time, s Pressure CH3CHO, mmHg

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1) The thermal decomposition of acetaldehyde, CH:CHO CH4 +CO, is a second-order reaction. The following data were obtained at 518C. time, s Pressure CH3CHO, mmHg 0 364 42 330 105 290 720 132 Based on the data given, what is the half-life for the disappearance of acetaldehyde? A) 1.5 x 10's B) 410s C) 5.4 x 10's D) 520s E) 305 s

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