None Which of the following could be used to measure the rate of the following reactionin a closed system:2 N2O5 (1) 4 NO2 (g) + O2(g)N2O5 colourlessNO2 = brownO2 = colourlessChoose all that applyChange in pHChange in colour intensityChange in gas pressure

Step 1: Step 2: Step 3: Step 4:

Answered: Which of the following could be used to…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter13: Chemical Kinetics

Section: Chapter Questions

Problem 13.67QE

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The acid-catalyzed iodination of acetone CH3COCH3(aq) + I2(aq) CH3COCH2I(aq) + HI(aq) is a common laboratory experiment used in general chemistry courses to teach the method of initial rates. The reaction is followed spectrophotometrically by the disappearance of the color of iodine in the solution. The following data (J. P. Birk and D. L Walters, Journal of Chemical Education, Vol. 69, p. 585, 1992) were collected at 23 C for this reaction. Determine the rate law for this reaction.
(iv) Describe/ explain the difference in relative reaction rate in following reactions. Reactions Relative Rates Br-CH,-CH, + SN, 14 Br + CH,CH-I Br + CH,CH,-I SN, acetone Br-CH-CH, +T SN, Br + CH;CH-I Br-CH-CH + r 0.015 gas phase
The reaction of CH;OH and HBr is believed to proceed by the mechanism: ki CH:OH +H+ = CH:OHz* k1 Elementary Step 1: (Fast pre-equilibrium) Elementary Step 2: k2 CH;OH2* + Br- 5 CH;Br + H2O (Slow) (а) What is the stoichiometric overall equation for the reaction? (b) What is the intermediate in the proposed mechanism? (c) Derive the rate law predicted by this mechanism. Show your working out.
The first step in the heterogeneoushydrogenation of ethylene is adsorption of theethylene molecule on a metal surface. One proposed explanation for the “sticking” of ethylene to a metalsurface is the interaction of the electrons in the C—C π bond with vacant orbitals on the metal surface. (a) If thisnotion is correct, would ethane be expected to adsorb to a metal surface, and, if so, how strongly would ethane bindcompared to ethylene? (b) Based on its Lewis structure,would you expect ammonia to adsorb to a metal surfaceusing a similar explanation as for ethylene?
Chemistry Determine the position of equilibrium for the ACID-BASE and Identifythe most plausible mechanism for the reactions below.
(1) The gas phase decomposition of dinitrogen pentoxide at 335 KN2O5(g)2 NO2(g) + ½ O2(g)is first order in N2O5 with a rate constant of 4.70×10-3 s-1.If the initial concentration of N2O5 is 3.97×10-2 M, the concentration of N2O5 will be 8.22×10-3 M after ______s have passed. (1b) The gas phase decomposition of sulfuryl chloride at 600 K SO2Cl2(g) SO2(g) + Cl2(g) is first order in SO2Cl2 with a rate constant of 2.80×10-3 min-1. If the initial concentration of SO2Cl2 is 4.90×10-3 M, the concentration of SO2Cl2 will be M after ______ 499 min have passed.
Provided the reaction A + 2B + C → 2D + E, and the set of data thatfollows:
Consider the following reaction: X + Y --> Z. What is the inital rate of disapperence of X when the concentration of X is 0.50 M and that of Y is 0.20 M?
2- The reaction CH₂CH₂NO₂ + OH === H₂O + CH₂CHNO₂ is of second order, at 0 °C and K= 39.1 L mol min. An aqueous solution is 0.004 molar in nitro ethane and 0.005 molar in NaOH. How long will it take for 90% of the nitroethane to react?
10. The rate of change in colour of iodide (yellow) can be measured as it reacts with colourless hypochlorite, OCI (ag): I (aq) + OCI(aq) I0- (aq) + Cl (aq) a. Different concentrations of reactants are combined at the same temperature and the rate of yellow colour disappearance were measured: Rate of colour Trial Initial [I] (mol/L) Initial [OCI(ag)) change (mol/(L s) 0.12 0.18 7.91 x 102 1 0.18 3.95 x 102 0.060 0.090 0.030 9.88 x 103 3 0.24 7.91 x 102 4 0.090 Using the data provided, calculate the value of the rate constant, including units b. Predict the rate of reaction if both reactants have an equal starting concentration of 0.10 mol/1.
naction quotient Qc ,and the equi librium cons tant follo wing Write the Ke, for each the reactions. of 2CoH 8(G) +1003(9) → 6CO2G) +8H 20 (9)
3A+4B→2C is found to be second order with respect to A and the rate constant for the reaction is k = 2.98* 10^ {-9}k=2.98∗10^−9 \frac{L}{mole\cdot\sec}mole⋅secL. If the initial concentration of A is 0.89 M0.89M how much many seconds will be required for the concentration of A to reach 0.65 M0.65M you can input your answer as a whole number

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Which of the following could be used to measure the rate of the following reaction in a closed system: 2 N2O5 (1) 4 NO2 (g) + O2(g) N2O5 colourless NO2 = brown O2 = colourless Choose all that apply Change in pH Change in colour intensity Change in gas pressure