For the reaction (aA produts) at order n= 1,5 with regards to A, integrate the rate...
Suppose that the rate law for an irreversible reaction is Derive the integrated rate expression for CA as a function of time. What would you plot along the y-axis vs. time in order to obtain a linear relationship?
The reaction, aA products, is a first order reaction with a rate constant of 1.248 x 10-4 s-1 . a. How long (in seconds) does it take for the initial amount of A to decrease by 30%? b. What fraction of reactant remains after 30 minutes? c. What is the half-life for the reaction? d. How long does it take for the initial amount of reactant to decrease by 87.5%?
4. The reaction A - B is n-th order (where n +0,1; in other words n = 1/2, 3/2, 2, 3, ...) and goes to completion. Derive the expression for the half-life of the reaction as a function of k, n and the initial concentration [A]
Worksheet: Kinetics and Rate Order 1. The rate of the reaction NO, + CO → NO + CO2 depends only on the concentration of nitrogen dioxide below 225 °C. At a temperature below 225 °C, the following data were collected Time (s) 0 1200 3000 4500 9000 18000 [NO2] (M) 0.500 0.444 0.381 0.340 0.250 0.174 a. Determine the order of the reaction by using the integrated rate law. b. What is the rate constant for this reaction? c. Determine...
A certain reaction has the following general form: aA rightarrow bB. temperature and [A]_o = 2.00 times10^-2 M, concentration versus time data were collected for this reaction, and a plot of ln [A] versus time resulted in a straight line with a slope value of -2.97 times 10^-2 min^-1 Determine the rate law, the integrated rate law, and the value of the rate constant for this reaction. Calculate the half-life for this reaction. How much time is required for the...
1. Derive the second order rate law for the reaction 2 A →P, and an expression for its half life, t 1/2, in terms of the initial concentration of A. State your assumptions and show each step. [See Atkins 10th ed, 20B2; Atkins 11th ed, 17B2]
4) Consider the schematic reaction A →P a) If the reaction is one-half order with respect to [A], what is the integrated rate law expression for this reaction? b) What plot would you construct to determine the rate constant k for the reaction? c) What would be the half-life for this reaction? Will it depend on initial concentration of the reactant'?
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
ChemActivity T10 Gibbs Energy as a Function of Temperature and Pressure 121 Model 2: Chemical Potential. For a pure phase, the chemical potential is given by where G is the molar Gibbs energy and n is the number of moles. Critical Thinking Questions 5. For a constant temperature process, what is the relationship between do, volume, and pressure? 6. A particularly useful relationship is that between G and volume and pressure for various systems at constant temperature. a) For condensed...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units of k for this reaction? If the concentration of air decreases by a factor of 2 and the concentration of b increases by a factor of 5 what happens to the rate? 2. for the forward reaction 2NO+Cl2=>2NOCl. determine the rate(m/s)for experiment #4 given [NO]°(M)=0.40M and [Cl2]°z(M)=0?20M. Rate? 3.The following data were collected over time for the forward reaction 2NO2=>2NO+O2 ( 1/[NO2]=100 at 0...