6. Three different sets of data of [A] versus time are given in the table below for the reaction A → products. Answer the following questions using the information given in the table. Time,s 0 25 50 75 100 125 200 250 I [A], M 1.00 0.78 0.61 0.47 0.37 0.22 0.14 0.08 Time,s 0 25 50 75 100 || [A], M 1.00 0.75 0.50 0.25 0.00 c) What is the approximate half-life of the first order reaction? Time,s 0 25 50 75 100 125 200 250 d) What is the approximate initial rate of the second order reaction? III [A], M 1.00 0.80 0.67 0.57 0.50 0.40 0.33 0.29

6. Three different sets of data of [A] versus time are given in the table below for the reaction A → products. Answer the following questions using the information given in the table. Time,s 0 25 50 75 100 125 200 250 I [A], M 1.00 0.78 0.61 0.47 0.37 0.22 0.14 0.08 Time,s 0 25 50 75 100 || [A], M 1.00 0.75 0.50 0.25 0.00 c) What is the approximate half-life of the first order reaction? Time,s 0 25 50 75 100 125 200 250 d) What is the approximate initial rate of the second order reaction? III [A], M 1.00 0.80 0.67 0.57 0.50 0.40 0.33 0.29

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter1: The Nature Of Chemistry

Section: Chapter Questions

Problem 110QRT

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In a study of the decomposition of ammonia on a tungsten surface at 1100 °C NH3- →1/2 N2 + 3/2 H, the concentration of NH3 was followed as a function of time. It was found that a graph of [NH3] versus time in seconds gave a straight line with a slope of -4.52x10-6 M s1 and a y-intercept of 5.82×10-3 M. Based on this plot, the reaction is order in NH, and the rate constant for the reaction is Ms!.
Convert each "b" value from the three Graphs ln(Conc) to the Initial Concentration. Graph Two: y= -0.0048x -11.125 Graph Four: y= 161824x - 13.326 Graph Five: y= -0.0189x -10.903 **Note these are the y= mx-b equation from the linear graph, In(concentration) vs time. I don't know how to convert natural log value such as -11.125 to the initial concentration.
How can the fluctuation given in question 6 be observed experimentally and how can the rate be deduced? Use an example to explain changes in these observations.
[References) Use the References to access important values if needed for this question. In a study of the gas phase decomposition of dimethyl ether at 500 °C CH;OCH;(g)- →CH4(g) + H2(g) + CO(g) the concentration of CH,OCH, was followed as a function of time. It was found that a graph of In[CH,OCH] versus time in seconds gave a straight line with a slope of -6.28x10s and a y-intercept of -3.50 Based on this plot, the reaction i Đ order in CH,OCH, and the rate constant for the reaction is zero first second Submit Answer Try Another Version 2 item attempts remaining (Previous 12 étv ll MacBook Air 80 DII DD F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 @ #3 $ & * 4 6. 7 8 W E R Y { S G J K く C V ...- ~の * 00 ラエ B
The following data are for the gas phase decomposition of phosphine at 120 °C. PH3(g) →→→→→→ 1/4 P4(g) + 3/2 H₂(g) 7.34x102 PH3 ], M time, s Use the References to access important values if needed for this question. 0 Submit Answer 3.67x10-2 29.9 Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is (2) Based on these data, the rate constant for this 1.84x10-2 9.20x10-3 59.8 89.7 order reaction is Retry Entire Group 8 more group attempts remaining s-1. Previous Next>
In aqueous solution, chlorine dioxide oxidizes iodide ion to iodine and chlorine dioxide is reduced to chlorite ion. 2ClO2 (aq) + 2 I- (aq) ----> 2ClO2- (aq) + I2 (aq) The concentration in molarity, of ClO2 was measured at various time points. The data was plotted and the plot of [1/[ClO2] versus time in seconds was most linear. The linear regression equation for the plot is y= 7.60x10-2 (t) + 2.353. What is the concentration of ClO2 at 2.00 minutes if the initial concentration of ClO4 ia 0.425 M? a.) 0.0872 M b.) 2.50 M c.) 11.5 M d.) 0.399 M
Consider the equation for the decomposition of SO2C22, SO2Cl2 (g) → S02(g) + Cl2 (g) The graph of In SO2 Cl2] versus time is -2.3- Slope y-intercept -2.4 y -0.000290t 2.30 -2.5 -2.6- -2.7 -2.8+ 0. 500 1000 1500 2000 Time (s) You may want to reference (Page) Section 14.4 while completing this problem. In [SO,Cl]
The rate at which crickets chirp depends on the ambient temperature, because crickets are cold-blooded insects whose body temperature follows the temperature of their environment. It has been found that the Celsius temperature can be estimated by counting the number of chirps in 8 seconds and then adding 4. In other words, te= (number of chirps in 8 seconds) + 4. (a) Calculate the number of chirps in 8 seconds for the temperature 20°C. chirps eTextbook and Media (b) The number of chirps per unit of time is directly proportional to the rate constant for a biochemical reaction involved in the cricket's chirp. On the basis of this assumption, make a graph of In(# of chirps) versus (1/T). Calculate the activation energy for the biochemical reaction involved using the values of temperature 20°C and 35°C. E, = i J/mol (c) How many chirps would a cricket make in 8 seconds at a temperature of 40°C? chirps
In a study of the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 CH 3 NC(g) CH 3 CN(g) the concentration of CH 3 NC was followed as a function of time It was found that a graph of ln[CH 3 NC] versus time in seconds gave a straight line with a slope of - 4.17 * 10 ^ - 3 * s ^ - 1 and a y intercept of -4.05 Based on this plot , the reaction is order in CH 3 NC and the rate constant for the reaction is
In a study of the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C CH3NC(g) CH3CN(g) the concentration of CH3NC was followed as a function of time. It was found that a graph of In[CH3NC] versus time in seconds gave a straight line with a slope of -4.20×10s and a y-intercept of -2.27 . Based on this plot, the reaction is vJorder in CH3NC and the rate constant for the reaction is
A group of students compiled the data shown in data table 1 below. What is the exact calculated order for IO3-(aq) to 2 decimal places? Exp. # [IO3-]0 (M) [I-]0 (M) [H+]0 (M) Time (s) 1 0.005 0.05 2 x 10-5 22.12 2 0.010 0.05 2 x 10-5 86.84 3 0.005 0.10 2 x 10-5 5.35 4 0.005 0.05 4 x 10-5 2.65 Question 4 options: 2.44 -2.49 1.81 2.09 -1.72 -2.13 -2.36 1.49 2.24 -1.97 -1.53 1.65
IRS whistleblowers testify at Hou: XM $4 off on Delicious, Rejuvenating X A ALEKS-Andrew Herrera - Learn X ← → C www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvgXwPgmUhvlTCeeBZbufuBYTi0Hz7m7D3ZcZsVtNxxGh3NolGhgexjUoyas3VCHOBjufyala7Wgbxc... ☆ = @ 89°F Near record Fill in the information missing from this table: 4- ELECTRONIC STRUCTURE AND CHEMICAL BONDING Calculating the capacity of electron subshells subshell 3s 5s Explanation 4p 2 Some electron subshells principal quantum number n 0 0 0 Check }° с angular momentum quantum number / ▬▬ 0 0 0 Q Search FO maximum number of electrons 0 П 10 F7 F8 8 F9 X 3 en F10 *- OF ** PrtSc W 0/3 Insert © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility @dx a Delete Andrew ^ 0 olo Ar O X ⠀ 4:45 PM 7/20/2023