Pressure vs Time -- Rate Law The decomposition of ethanol at some constant temperature (above 500°C), over a copper surface, C2H5OH(9) CH3CHO(g) + H2(g) was studied by monitoring the total pressure with time. The following data were obtained: t(s) Ptotal (torr) 0 107 130 127 267 148 397 168 534 189 541 190 What will be the total pressure at t = 658 s? 1pts Submit Answer Incorrect. Tries 3/5 Previous Tries What is the rate constant (k)? (Include appropriate units.) 1pts Submit Answer Incorrect. Tries 2/5 Previous Tries