I need the answer as soon as possible 2. Model the kinetic data using zero, first and second order kinetic model. Which model fits thedata best and why?Time (s)Concentration(иМ)5.09103.92303.24602.69902.371322.001801.71

In order to find whether a chemical reaction data follows 0 order, 1st order or 2nd order by…

Answered: 2. Model the kinetic data using zero,…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter20: Kinetics

Section: Chapter Questions

Problem 20.23E

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One can also define a third-life, t1/3, which is the amount of time necessary for one-third of an original amount of reactant to react. a For which order of kinetics is the third-life a constant? b Derive an expression for the t1/3 of a zeroth-order reaction. For how many third-lives will the reaction proceed before completion?
In a first-order reaction, suppose that a quantity X of a reactant is added at regular intervals of time, t. At first the amount of reactant in the system builds up; eventually, however, it levels off at a saturation value given by the expression a saturation value saturationvalue= x110a where a=0.30tt1/2 This analysis applies to prescription drugs, of which you take a certain amount each day. Suppose that you take 0.100 g of a drug three times a day and that the half-life for elimination is 2.0 days. Using this equation, calculate the mass of the drug in the body at saturation. Suppose further that side effects show up when 0.500 g of the drug accumulates in the body. As a pharmacist, what is the maximum dosage you could assign to a patient for an 8-h period without causing side effects?
An aqueous reaction that uses the solvent H2O as a reactant has a given rate law of rate=k[H2O][A] Where A is the other reactant species. Explain why, in most circumstances, this reaction can be defined in terms of pseudo first-order kinetics. What are the units on the rate constant?
For the chemical reaction Mn2+(aq)+H2O2(aq)products The following data are collected: [Mn2+],M [H2O2],M Initial rate (M/s) 0.740 0.556 3.43102 0.219 0.556 3.01103 0.740 0.662 4.86102 Determine the order with respect to Mn2+ and H2O2, and construct the complete rate law, including the value of the rate law constant.
Two mechanisms are proposed for the reaction 2NO(g)+O2(g)2NO2(g)Mechanism 1: NO+O2NO3(fast) NO3+NO2NO2(slow) Mechanism 2: NO+ON2O2(fast) N2O2+O22NO2(slow) Show that each of these mechanisms is consistent with the observed rate law: rate=k[ NO2 ]2[ O2 ].
Assume that thermal decomposition of mercuric oxide, HgO, follows first-order kinetics. It can be followed by the production of oxygen gas as a product: 2HgO(s)2Hg(l)+O2(g) At a particular temperature, k=6.02104s1. If 1.00gram of HgO were present initially, how long would it take to produce a1.00mL of O2(g) at STP; b10.0mL of O2(g) at STP? STP = standard temperature and pressure for a gas.
Explain how a species might be part of a rate law but not part of a balanced chemical reaction.
Consider the chemical reaction A+B+Cproducts Determine the order with respect to A,B,andC, and construct the complete rate law including the value of the rate law constant from the following experimental data. Initial rate (M/s) [A],M [B],M [C],M 6.76106 0.550 0.200 1.15 9.82107 0.210 0.200 1.15 1.68106 0.210 0.333 1.15 9.84107 0.210 0.200 1.77
Digestive processes are first-order processes. The absorption of Fe2+ by the small intestine has a rate law constant of 3.09102s1. If the initial concentration of Fe2+ in food is 5.5M, how long before the concentration drops to 1.0M?

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2. Model the kinetic data using zero, first and second order kinetic model. Which model fits the data best and why? Time (s) Concentration (uM) 5.09 10 3.92 30 3.24 60 2.69 90 2.37 132 2.00 180 1.71