Question

Average rate. Instantaneous rate and initial rate 0.1 How do you determine average rate? Instantanecus rate at t-0 (nitial rate) 0.09 0.08 0.07 S 0.06 0.05 How do you determine instantaneous rate? Instantaneous rate at t-600s 0.04 0.03 0.02 0.01 How do you determine initial rate? C 100 200 300 400 500 600 700 800 900 Time (s) Calculate the average rate of reaction from a table The decomposition of dinitrogen pentoxide into nitrogen dioxide and oxygen happens as follows 2N 0s (8) 4NO2 () O2 (g) period of time The following data was collected over a Oz (M) N2Os (M) 0.0200 0.0169 0.0142 NO2 (M) Time (s) 0 0 0.0016 0.0063 100 0.0029 0.0115 0.0160 0.0197 200 0.0040 0.0120 300 0.0049 0.0101 400 0.0057 0.0229 0.0086 500 0.0064 0.0256 0.0072 600 0.0278 0.0070 0.0061 700 Use the table to determine the rate of appearance of NO2 between 400 and 500 s. Determine the rate of appearance of O, during the same time period. Determine the rate of disappearance of N20s during the same time period. 168 w) loH'ol

Answer 1

Solution: O.0229 0.o 197 olt 500 40O 3.2 x10 M/8 dl Cor -D O049 O.D057 ol t 500-400 8 X10 M/8 d EN05 O olo1-0.0086 C) olt 400-500 -5 M/R .5RID