For the hypothetical reaction A + 3B -->2C, the rate of appearance of C, given by ( A[C]/At, may also be expressed as A A[C]/At = - A[A]/At A[C]/At = - (3/2) A[B]/At A[C]/At = - (2/3) A[B]/At %3D ΔΙΟ/Δt --(1/2) ΔΙΑΙ/Δt B.

For the hypothetical reaction A + 3B -->2C, the rate of appearance of C, given by ( A[C]/At, may also be expressed as A A[C]/At = - A[A]/At A[C]/At = - (3/2) A[B]/At A[C]/At = - (2/3) A[B]/At %3D ΔΙΟ/Δt --(1/2) ΔΙΑΙ/Δt B.

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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For the reaction: BrO3-(aq) + 5Br (aq) + 8H*(aq) → 3Br2(/) + H201) The initial rate of the reaction has been measured at the reactant concentration show: Trial [BrO;] (mol/L) 1 [H'] [Br ] Initial rat (mol/L) (mol/L) (mol/L-s) 0.10 0.10 0.10 8.0 0.20 0.10 0.10 16 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 The value for k will be: A L/mol.s Ouestion 13 (1 23
1. The rate of the homogeneous gas-phase reaction: A + 3B → 2X + Y has been studied. Some of the data are: Initial total pressure change rate (-dP/dt) / (torr/s) Initial pressure A P/ torr 352 289 Initial pressure B P/ torr Run 153 392 3.44 6.55 8.14 3 4 247 617 (a) What are the orders of the reaction with respect to A and with respect to B? (b) Assume that the gas mixture is ideal and find the relation between the usual rate of reaction, v, and dP/dt, where P is the total pressure. The volume is constant.
For the gas phase decomposition of hydrogen peroxide at 400 C 2 H2O2-->2 H20 + O2 the average rate of disappearance of H2O2 over the time period fromt-Os to t 61 sis found to be 5.07 10 we The average rate of formation of O2 over the same time period is Ms
4. The following data were obtained for the follwing chemical reaction: 2A + 3B ---> 2C + D Initial [A] Initial [B] Initial Rate of Formation Trial # (mmol/L) (mmol/L) of D (mmol/L*s) 1 4.0 6.0 1.60 2 2.0 6.0 0.80 3 4.0 3.0 0.40 (a) Determine the rate law equation for this reaction. Show your reasoning. (b) Find the rate constant, k, with units.
For the hypothetical reaction A + 2B 3C, the rate of appearance of C given by (A[C]/At) may also be expressed as O A[C]/At = -(2/3) A[B]/At O A[C]/At = -(3/2) A[B]/At O A[C]/At = -(1/2) A[A]/At %3D O A[C]/At = A[A]/At
Be sure to answer all parts. For the following general reaction, rate = k[A]2 and k=1.3 × 10 2 M¹g¹; A+B 2C Use this information to fill in the missing table entries. Experiment [A] (M) [B] (M) Initial rate (M/s) 1 0.013 0.250 2.20 × 10-6 2 0.026 0.250 3 0.500 2.20 × 10-6 1) Initial reaction rate in experiment 2: x 10 M/s (Enter your answer in scientific notation.) 2) Initial concentration of A in experiment 3: M
for this reaction (including orders). Also give the overall order for this reaction: rate law: overall order = %3D 3. Calculate the rate constant, k, for this reaction (use the data from Experiment #1, show all your work): wollood 4. Explain exactly what experiment(s) must be performed in order to
O https://app.101edu.co A * Question 7 of 20 Determine the rate law for the reaction A+ B - C + D given the following experiment data. Initial Trial [A]o [B]o Rate A) Rate = k[A] %3D (M/min) B) Rate = k[A]? 1 0.25 0.40 7.25 C) Rate = k[A][B] %3D 2 0.75 0.40 21.5 D) Rate = k[A]°[B] %3D 3 0.50 0.80 14.5 E) Rate = k[A][B] 4 0.75 0.80 21.5 Delete F12 wwwn D F11 FI0 FO FB FS FO Backspace Num Lock F2 %3D 1 8. 6. 4 12 3 Wome E R Enter J K F S. Shift Poyblip Ctr Alt Home All
Calculate the concentration [A] for a reaction A Product after 7.00 min, knowing that the initial concentration [A]o is 2.4 M, and the rate constant is 3.2x10-3 M-1sec-1. Edit Format Table 12pt v Paragraph v BIU T?v : hp 732006020610 f3 米 fo f9 @
The integrated rate laws for zero-, first-, and second-order reaction may be arranged such that they resemble the equation for a straight line, y = mz +b. • Part A Order Integrated Rate Law Graph Slope [A] =- kt + [A]Jo -kt + In[A]o In[A] vs. t + = kt + TAT [A] vs. t -k The reactant concentration in a zero-order reaction was 7.00x102 M after 170 s and 3.00x102 M after 380 s. What is the rate constant for this reaction? 1 In[A] = -k Express your answer with the appropriate units. Indicate the multiplication of units, as necessary, explicitly either with a multiplication dot or a dash. 1 - vs t JA 2 • View Available Hint(s) ? koih = Value Units Submit Prevlous Anawera Part B Complete previous part(s) • Part C The reactant concentration in a first-order reaction was 6.60x102 Mafter 30.0 s and 7.70x10 Mafter 100 s. What is the rate constant for this reaction? Express your answer with the appropriate units. Indicate the multiplication of units, as necessary, explicitly either with a…
For the overall chemical reaction shown below, which one of the following statements can be rightly assumed? 2H2S(g) + O2(g) – 25(6) – 2H2O() Multiple Choice The reaction is second-order overall. The rate law is, rete - KH,5? (02) The reaction is third-order overall. The rate law is, rate - KH2S)[O2). The rate law cannot be determined from the information given.