10:39Rate law and reaction order | Kinetics | AP Chemistry | Khan AcademyKhan Academy Organic Chemistry815views
Multiple ChoiceGiven the following chemical reaction, A → B. If the concentration of A is doubled the rate increases by a factor of 2.83, what is the order of the reaction with respect to A.1116views5rank
Multiple ChoiceThe data below were collected for the following reaction:CH3Cl (g) + 3 Cl2 (g) → CCl4 (g) + 3 HCl (g)Calculate the value and units for the rate constant k.1694views4rank2comments
Multiple ChoiceThe concentration of N2O was monitored at a constant temperature as a function of time for the reaction below. N2O (g) → N2 (g) + ½ O2 (g) Reaction Time and Concentration of Nitrous OxideTime (s)Molar Concentration [N2O]00.500 M200.382 M400.310 M600.260 M800.224 M Determine the rate law for this reaction.397views
Multiple ChoiceUsing the data below (also from questions 6 and 7), determine the value of the rate constant for the reaction. Data Table for Three ExperimentsExperimentInitial [NH4+]Initial [NO2]Initial rate (M/s)Experiment 10.24 M0.10 M7.2 × 10-6 M/sExperiment 20.12 M0.10 M3.6 × 10-6 M/sExperiment 30.12 M0.15 M5.4 × 10-6 M/s426views
Multiple ChoiceFor the reaction 2 NOCl (g) → 2 NO (g) + Cl2 (g), the experimental rate law is: rate = k[NOCl]2[NO]-1 Determine if the following mechanism is valid. Step 1: NOCl (g) ⇌ NO (g) + Cl (g) (fast) Step 2: NOCl (g) + Cl (g) → NO (g) + Cl2 (g) (slow)433views
Open QuestionConsider the rate law. rate=𝑘[a]𝑥 determine the value of 𝑥 if the rate doubles when [a] is doubled.279views
Open QuestionUsing the data in the table, determine the rate constant of the reaction and select the appropriate units. a+2b⟶c+d458views
Open QuestionUsing the data in the table, calculate the rate constant of this reaction. a+b⟶c+d1494views
Open QuestionFor each reaction order, identify the proper units for the rate constant, 𝑘. not all of the choices will be used.443views
Open QuestionConsider the rate law. Rate = k[A]x. Determine the value of x if the rate doubles when [A] is doubled.440views
Open QuestionAccording to this data, what is the order of the reaction in OH-, to the nearest whole number?204views
Open QuestionConsidering the rate law, rate = k[a]2[b], which of the following statements is correct?245views
Open QuestionDetermine the rate law for each elementary step. drag the symbols into the equations as needed.242views
Open QuestionCalculate the initial rate for the formation of c at 25 °C, if [A] = 0.50 M and [B] = 0.075 M.259views
Open QuestionWhat is the rate law for the reaction A → B if the rate constant, k, is 0.25 m-1 s-1 at 75 °C?261views
Open QuestionConsider the rate constants below. Which would correspond to the highest order reaction?200views
Open QuestionIf the reaction X + 2 Y → XY2 occurs by the proposed mechanism, what is the rate law?300views
Open QuestionIf a rate law is second order (reactant), doubling the reactant ________ the reaction rate.262views
Multiple ChoiceIn the experiments on the reaction 2 ICl (g) + H2 (g) → I2 (g) + 2 HCl (g), the following initial rate data were obtained. What is the overall order of the reaction?101views2comments
Open QuestionA reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. b. What is the overall order of the reaction? order in A, one-half order in B, and second order in C
Open QuestionConsider the data showing the initial rate of a reaction (A → products) at several different concentrations of A. What is the order of the reaction? Write a rate law for the reaction including the value of the rate constant, k.
Open QuestionConsider the tabulated data showing the initial rate of a reaction (A → products) at several different concentrations of A. What is the order of the reaction? Write a rate law for the reaction including the value of the rate constant, k.
Open QuestionThe tabulated data were collected for this reaction: 2 NO2(g) + F2(g) → 2 NO2F(g). Write an expression for the reaction rate law and calculate the value of the rate constant, k. What is the overall order of the reaction?
Open QuestionConsider the reaction: A + B + C → D. The rate law for this reaction is: Rate = k [A][C]^2 [B]^1/2. Suppose the rate of the reaction at certain initial concentrations of A, B, and C is 0.0115 M/s. What is the rate of the reaction if the concentrations of A and C are doubled and the concentration of B is tripled?
Open QuestionAt 400 K, oxalic acid decomposes according to the reaction: H2C2O4(g) → CO2(g) + HCOOH(g). In three separate experiments, the initial pressure of oxalic acid and the final total pressure after 20,000 seconds are measured. Experiment: 1) PH2C2O4 at t = 0: 65.8, PTotal at t = 20,000 s: 94.6; 2) PH2C2O4 at t = 0: 92.1, PTotal at t = 20,000 s: 132; 3) PH2C2O4 at t = 0: 111, PTotal at t = 20,000 s: 160. Find the rate law of the reaction and its rate constant.
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