Consider the reaction: NO2 + 0, → NO, + 02 [NO.], M [0,], M Rate, M/s 6.30 × 10-3 1.89 × 10-2 3.15 х 10-3 6.30 × 10-3 Experiment 1 0.21 0.70 0.63 0.21 2 0.65 3 0.35 4 0.42 0.35 What is the rate order of NO2? O Oth None of the above O 3rd 1st 2nd
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- Define stability from both a kinetic and thermodynamic perspective. Give examples to show the differences in these concepts.11.41 For a drug to be effective in treating an illness, its levels in the bloodstream must be maintained for a period of time. One way to measure the level of a drug in the body is to measure its rate of appearance in the urine. The rate of excretion of penicillin is first order, with a half-life of about 30 min. If a person receives an injection of 25 mg of penicillin at t = 0, how much penicillin remains in the body after 3 hours?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 -4.28×10-3 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.
- 1. The decomposition of aqueous sucrose to form the isomers glucose and fructose is a common organic reaction, which requires a strong catalyst: C12H22O11(aq) + H2O(l) → 2C6H12O6(aq). The following data were collected during the process: Time (min) [C12H22O11] (mol/L) 0 0.316 39 0.274 80 0.238 140 0.190 210 0.146 (a)If we performed a new trial with an initial concentration of sucrose of 0.400 mol/L, what concentration would remain after 4.0 h has passed? 2. Methyl isomerizes to acetonitrile, CH3NC(g) → CH3CN(g) at 215°C. The following data were collected during the process: Time (sec) [CH3NC] (mol/L) 2000 0.0110 5000 0.0059 8000 0.0031 12000 0.0014 15000 0.0007 2. (a)Assuming the process continues, what concentration of methyl isonitrile would we expect after 5.00 h?For the fictitious reaction: AB → A + B Some data was collected measuring the [AB] at certain time intervals. This data was then graphed as described below. A graph of 1/[AB] versus time (s) gives a straight line with the equation: y = 0.0052x + 0.1135 and a R2 = 0.9995. A graph of ln[AB] versus time (s) gives a straight line with the equation: y = -0.0068x + 1.725 and a R2 = 0.8925. Assume the data doesn't fit a zero order reaction. The rate law is: Rate = k[AB]2 Find: What is the value of the rate constant for the given reaction? Select one: a. k = 0.0157 Ms-1 b. k = 0.0052 M-1s-1 c. k = 0.0068 s-1 d. There is no way to determine the value of the rate constant from the given information.The decomposition of aqueous sucrose to form the isomers glucose and fructose is a common organic reaction, which requires a strong catalyst: C12H22O11(aq) + H2O(l) → 2C6H12O6(aq). The following data were collected during the process: Time (min) [C12H22O11] (mol/L) 0 0.316 39 0.274 80 0.238 140 0.190 210 0.146 (A) If we performed a new trial with an initial concentration of sucrose of 0.400 mol/L, what concentration would remain after 4.0 h has passed?
- Using the table below. Determine the slope of each tangent with proper units. Calculate and record the Instantaneous reaction rate at t=0.12x10^-3s and at t=4.00x10^-3sFor the following reaction 6 experiments have been run and the data collected is in the following table: 2 MnO4-(aq) + 5 H2C2O4 (aq) + 6 H+ (aq) ---> 2 Mn2+ (aq) + 10 CO2 (g) + 8 H2O (l) Experiment [MnO4-], M [H2C2O4], M [H+], M Rate, M/s 1 0.2410 0.3470 0.2690 0.1147 2 0.3260 0.6210 0.2270 0.2776 3 0.5630 0.5740 0.7420 0.4431 4 0.2410 0.3470 0.3840 0.1147 5 0.4140 0.5740 0.5610 0.3258 6 0.3260 0.4930 0.4910 0.2203 a) Find the order of the reaction with respect to H+. _______________ b) Find the order of the reaction with respect to MnO4-. ______________ c) Find the order of the reaction with respect to H2C2O4. _____________ d) What is the overall order of the reaction? ________________________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.
- Sucrose (C12H22O11)(C12H22O11), which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6C6H12O6. At 23 ∘C∘C and in 0.5 M HClM HCl, the following data were obtained for the disappearance of sucrose: Time (min)(min) C12H22O11(M)C12H22O11(M) 0 0.316 39 0.274 80 0.238 140 0.190 210 0.146 What is the rate constant?Consider this reaction:H,CO; (aq) - H,O (ag) + CO, (ag)At a certain temperature it obevs this rate awrate = (0.067 5 ") [H,CO,]Suppose a vessel contains H, CO; at a concentration of 0.870 M. Calculate how long it takes for the concentration of Hz CO, to decrease to 9.0% of its initialvalue. You may assume no other reaction is important.Round your answer to 2 significant digits.In a study of the gas phase decomposition of hydrogen peroxide at 400 °CH2O2(g)H2O(g) + ½ O2(g)the concentration of H2O2 was followed as a function of time.It was found that a graph of 1/[H2O2] versus time in seconds gave a straight line with a slope of 1.03 M-1 s-1 and a y-intercept of 13.4 M-1.Based on this plot, the reaction is (frist, second, zero)__________ order in H2O2 and the rate constant for the reaction is _____________ M-1 s-1.