Rate Law Problems1. For the reaction 2A +B +C→ products, the law rate takes the form of:r =k [A]M[B]^[C]°. Why aren't the coefficients in the balanced equation always theexponents in the rate law?2. If 2A +B → C+D+ energy represents a one step reaction.a) Write the rate law.b) How is the initial rate of the reaction affected by the following changes:(i)Tripling the concentration of A(ii) Decreasing the size of the container by ½.3. Consider the net reaction 3A + 4B → products, the following data were obtained:Initial [A]Initial [B]Initial Rate10 M/min40 M/min10 M/min90 M/minExperiment12.0 M4.0 M2.0 M6.0 M4.0 M232.0 M10.0 M44.0 M4. a) What is the rate law for the reaction 2A+2B → C+D if the following is thereaction mechanism?2B →EA+E>F+CA+F>DStep #1 (slow)Step #2 (fast)Step #3 (fast)b) Ifk=0.012 liters/mole-min., what is the rate when [A] = 2.0 M and [B] = 4.0M? More Rate Law Problems1.a) Write the rate law for the one step reaction 2NO → N;Oz9).b) If the rate of the disappearance of NO is 0.5 M-min" when theconcentration of NO is 2.02 M, find the value of k.c) What is the rate of disappearance of NO if the concentration of NO is1.0 x 10° M?d) How does the rate change when (NO) is (a) doubled and (b) cut to 1/3?2. The net reaction A+B+2C → D+E @ 400°C follows the rate law, r=k[A]°[C]a) Complete the blanks in the following table:Experiment[A][B]mol/L|C)kratemol/Lmol/Lmol/L'min2.04.02.01.022.01.0b) How may the value of the specific rate constant be increased for the abovereaction?3. If buming of CO [2CO + O2→ 200,], proceeds by the steps:02 + 202C0 + 20 → 2002If the activation energy is much greater for (1) than (2), what is the rate law?(1)(2)4.a) What is the rate law for 2A + 3B → 2C + D if the following data isobtained:Experiment [A]mol/L[B]mol/Lratemol/L's0.11 x 101.0 x 101.0 x 1010.51.51.52.04.02.023b) Find the value of the specific rate constant.

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1. For the reaction 2A + B + C → products, the law rate takes the form of: r=k [A]"[B]^[C]°. Why aren't the coefficients in the balanced equation always the exponents in the rate law?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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