For the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C 2 N2054 NO2 + 02 the following data have been obtained: (N205), M 1.13 0.680 0.409 0.246 time, min 124 248 372 The average rate of disappearance of N20s over the time period from t 0 min to t 124 min is min. For the decomposition of nitrosyl bromide at 10 °C 2 NOBR2 NO + Br2 the following data have been obtained: (NOBr), M 8.26x10 2 12.0 5.40x10 2 0.400 0.137 time, s 6.00 18.0 The average rate of disappearance of NOBR over the time period from t = 6.00 s to t = 12.0 s is Ms1

For the gas phase decomposition of sulfuryl chloride at 600 K SO,Cl,- →SO2 + Cl2 the following data have been obtained: [SO,Cl2], M 1.62x10-3 340 4.20×10-3 2.61x10-3 1.01x103 time, min 170 510 The average rate of disappearance of SO,Cl2 over the time period from t= 0 min to t= 170 min is M min!.

In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) ½ H2(g) + ½ I½(g) the following data were obtained: [HI], M 0.509 0.255 0.128 6.40×10-2 seconds 520 780 911 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.509 M is s and when the starting concentration is 0.255 M is (2) The average rate of disappearance of HI from t= 0 s to t= 520 s is Ms (3) The average rate of disappearance of HI from t= 520 s to t= 780 s is Ms! (4) order reaction is Ms1 Based on these data, the rate constant for this

For the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C 2 N½O54 NO2 + O2 the following data have been obtained: N2O5], M 0.843 0.513 0.313 0.190 time, min 121 242 363 The average rate of disappearance of N205 over the time period from t= 242 min to t= 363 min is M min

For the decomposition of nitrous oxide at 565 °C 2 N20 2 N2 + 02 the average rate of disappearance of N20 over the time period from t 0 s to t= 1088 s is found to be 5.45×104 Ms. The average rate of formation of O, over the same time period is Ms.

For the gas phase decomposition of hydrogen peroxide at 400 °C 2 H2O2 2 H2O + O2 the following data have been obtained: [H,O2], M 9.35x10-2 3.54x10-2 2.18×10-2 1.56x10-2 time, s 27.0 54.0 81.0 The average rate of disappearance of H,O2 over the time period from t = 27.0 s to t = 54.0 s is |Ms-!.

In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g)% H,(g) + % »(9) the following data were obtained: HI], M seconds 0.274 0.137 6.85×10-2 3.43x10-2 521 782 912 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.274 M is s and when the starting concentration is 0.137 M is (2) The average rate of disappearance of HI from t= 0s to t= 521 s is| Ms!. (3) The average rate of disappearance of HI from t= 521 s to t= 782 s is| Ms! (4) Based on these data, the rate constant for this | | order reaction is Ms!.

For the gas phase decomposition of phosphine at 120 °C 4 PH3 (9) → P4 (9)+ 6 H₂ (9) the following data have been obtained: [PH3], M time, s 0 The average rate of disappearance of PH3 over the time period from t = 0s to t = 23.0 s is 0.0644 0.0426 0.0281 0.0186 23.0 46.0 69.0 M/s.

11). The hydrolysis (the degradation) of maltose (a type of sugar) is monitored with respect to time. The data collected for this experiment are as shown in the table below. The degradation reaction is: Maltose glucose + glucose Time, (min) Maltose, M 0.316 0.274 39 80 140 0.238 0.190 Use the integrated rate law to determine the order of the reaction and write the rate law and determine the value of k for this degradation reaction.

For the gas phase decomposition of nitrogen dioxide at 383 °C2 NO2  -------> 2 NO + O2the following data have been obtained: [NO2], M 0.423 0.178 0.113 7.61x10-2 time, s 0  6.00 12.0 18.0 The average rate of disappearance of NO2 over the time period from t = 6.00 s to t = 12.0 s is ________ M s-1.