If the slope of a hypothetical reaction is the second order is 5 and the initial
concentraition ls 0.2 M. Calculate the concentration of the reactants that have
decomposed if the reaction takes 20s
a) 0.01 (6) 0.20
O0.19 (d) 0.02
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The following data were obtained in a kinetics study of the hypothetical reaction A+B+C - products. [A] (M) [B] (M) [C](M) Initial Rate (10-3 MS) 0.4 0.4 0.2 160 0.2 0.4 0.4 80 0.6 0.1 0.2 15 0.2 0.1 0.2 5 0.2 0.2 0.4 20 Using the initial-rate method, what is the order of the reaction with respect to C? zero-order impossible to tell from the data given second-order first-order third-order
1. Shown below are the results of four separate experiments measuring reaction rate for the following reaction: 2 A+3B+C - 2D+3E Trial [A. BL. C. Initial rate (M/s) 0.01 0.20 0.10 1.67 x 10+ 2 0.02 0.20 0.20 1.33 x 10-3 3 0.02 0.20 0.10 3.33 x 104 4 0.01 0.40 0.10 1.67 x 10-4 c. What is the rate when the initial concentrations for all reactants is 0.15 M?
3. A reaction 2A 2B + C is known to follow second-order kinetics, with k = 7.20x10*M's' at 25.0 °C. (20 points) During one experiment, the initial concentration of A is [A]. = 0.120 M (a) Calculate the half-life (1,2), in hours, for this experiment. (b) Calculate the initial reaction rate (in M/s) for this reaction (4 points) (c) How long will it take (in hours) for the concentration of C to reach [C] = 0.0540 M (6 points) (d)...
1. The following data were collected at 20 oC for the reaction of bromphenol blue, HBPB2-, and hydroxide ions, OH-, shown in the equation below HBPB2- + OH- <---> BPB3- + H2O a)What is the rate equation for the reaction? Determination [HBPB2-]0, M [OH-]o, M Rate, M/sec 1 7.22 x 10-6 1.00 9.627 x10-9 2 7.22 x 10-6 0.25 2.490 x10-9 3 3.63 x 10-6 1.00 4.750 x10- The reaction was run three times with different initial concentrations of the...
5. Given the reaction OCT (aq) + I (aq) → OT (aq) + Cl(aq) tienis Rate = k1110017. Th The rate law for this reaction is Rate =k! . The overall reaction order and the [OH"] order with respect to OH are A) 2 and -1. B) O and -1. C) 0 and 1. D) 2 and 1. E) 1 and -1. 6. The following data were obtained for the hypothetical reaction 2A + B → products, [A] (M) [B]...
7. Consider the following second-order reaction: 2X ? Y. The initial concentration of X is 0.50 M. It takes 30 minutes for the concentration of X to decrease to 35% of its initial value. Calculate the rate constant for this second-order reaction. A. 0.0330 Mmin B. 0.124 M-min-1 C. 0.185 M-'min-1 D.0.367 Mmin-1 E. 2.48 M-min-1
The reaction: NO2(8) ---> NO(g) + 1/2O2(e) is second order and it takes 46 seconds for the [NO2] to go from 0.04 M to 0.02 M. How long will it take for the [NO2) to go from 0.02 M to 0.01 M? 92 seconds 138 seconds 46 seconds 184 seconds
At a certain temperature this reaction follows first-order
kinetics with a rate constant of Suppose a vessel contains at a
concentration of . Calculate how long it takes for the
concentration of to decrease to . You may assume no other reaction
is important. Round your answer to significant digits.
At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0366 s ": 250z (g) 2502(g) +0,(g) Suppose a vessel contains SO, at a concentration of...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units of k for this reaction? If the concentration of air decreases by a factor of 2 and the concentration of b increases by a factor of 5 what happens to the rate? 2. for the forward reaction 2NO+Cl2=>2NOCl. determine the rate(m/s)for experiment #4 given [NO]°(M)=0.40M and [Cl2]°z(M)=0?20M. Rate? 3.The following data were collected over time for the forward reaction 2NO2=>2NO+O2 ( 1/[NO2]=100 at 0...
(b) A reaction follows second-order kinetics with a rate constant 7.0 10M'sat 25°C, If the initial concentration is 0.86 M, calculate the concentration after 120 s