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- For each of the following, suggest appropriate rate units Driving from one place to another Drying dishes by hand The heating wings of a mosquito Eyes blinkingConsider the following hypothetical reaction: 2AB2(g)A2(g)+2B2(g)A 500.0-mL flask is filled with 0.384 mol of AB2. The appearance of A2 is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below. (a) Make a similar table for the disappearance of AB2. (b) What is the average rate of disappearance of AB2 over the second and third 10-minute intervals? (c) What is the average rate of appearance of A2 between t=30 and t=50?For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N₂05 4 NO2 + O2 the following data have been obtained: [N₂05], M time, s 0.175 0 Submit Answer 9.06x10-2 140 4.69x10-2 280 2.43x10-2 420 The average rate of disappearance of N₂O5 over the time period from t = 280 s to t = 420 s is
- Time (s) Concentration of A (M) 0 0.800 126 0.490 252 0.180 Determine the average rate of change of B from ?=0 s to ?=252 s. A⟶2B rateB=____________M/sDetermine the average rate of change of BB from ?=0 st=0 s to ?=272 s.t=272 s. A⟶2BA⟶2B Time (s) Concentration of A (M) 0 0.7300.730 136136 0.4450.445 272272 0.1600.160 rateB= __________M/sFor the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C2 H2O2(aq)2 H2O(l) + O2(g)the average rate of disappearance of H2O2 over the time period from t = 0 min to t = 566 min is found to be 1.91×10-5 M min-1.The average rate of formation of O2 over the same time period is ? (answer in M min-1.)
- EXP [NO]-1/m [H2] .1M initial rate/ ms-1 1 0.10 0.10 1.23x10-3 2 0.10 0.20 1.23 x 10-3 3 0.20 0.10 4.92 x 10-3 calculate the rate when [NO] = 0.050M and [H2]=0.150MIn a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.28×10-3 min-1 and a y-intercept of -6.95 . Based on this plot, the reaction is________. (firest, zero, or second) order in SO2Cl2 and the rate constant for the reaction is min-1.In a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.34×10-3 min-1 and a y-intercept of -5.20 .Based on this plot, the reaction is _______zerofirstsecond order in SO2Cl2 and the rate constant for the reaction is min-1.
- Which rate law has a molecularity of two?Group of answer choices Rate = k[A]2 Rate = k[A]0 Rate = k[A]3 Rate = k[A] Rate = k[A][B][C]Aspirin sample solutions were stored at 30°C and were assayed every month for six months. The equation obtained from its kinetic profile was y = -0.0033x - 1.004. a. What is the rate constant of aspirin at 30°C? b. Calculate the half-life of aspirin in months. c. Calculate the shelf-life of aspirin in yearsGiven the following data, determine the rate law and calculate K. H2(g) + 2ICl(g) --> I2(g) + 2HCl(g) Experiment [H2] [ICl] Rate (M/s) 1 250 325 1.34 2 250 81 0.331 3 50 325 0.266