Experiment 1 Experiment 2 Time (S) Abs. [Br2] (M) Time (S) Abs. [Br2] (M) 45 0.521 0.00422 45 1.199 0.0097 60 0.517 0.00418 60 1.195 0.00967 90 0.508 0.00411 90 1.192 0.00964 120 0.498 0.00403 120 1.179 0.00954 150 0.488 0.00395 150 1.177 0.00952 180 0.476 0.00385 180 1.169 0.00946 Experiment 3 Experiment 4 Time (S) Abs. [Br2] (M) Time (S) Abs. [Br2] (M) 45 1.008 0.00816 45 1.038 0.0084 60 1.003 0.00811 60 1.027 0.00831 90 0.989 0.008 90 1.011 0.00818 120 0.971 0.00786 120 0.98 0.00793 150 0.949 0.00768 150 0.961 0.00778 180 0.92 0.00744 180 0.944 0.00764 Experiment Average k 1 2 3 4 $ Run # 0.02M Br2 (m 4M Acetone 1 M H+ (mL) H2O (mL) 1 5 2 10 3 10 5550 5 10 5 5 10 0 4 10 10 5 0 mol/L Experiment [Br2] |[Acetone] [H+] -A[Br2]/At 1 0.005 1 0.25 -3x10^-6 2 0.01 1 0.25-2x10^-6 3 0.01 1 0.5 -5x10-6 4 0.01 2 0.25 -6x10^-6

Experiment 1 Experiment 2 Time (S) Abs. [Br2] (M) Time (S) Abs. [Br2] (M) 45 0.521 0.00422 45 1.199 0.0097 60 0.517 0.00418 60 1.195 0.00967 90 0.508 0.00411 90 1.192 0.00964 120 0.498 0.00403 120 1.179 0.00954 150 0.488 0.00395 150 1.177 0.00952 180 0.476 0.00385 180 1.169 0.00946 Experiment 3 Experiment 4 Time (S) Abs. [Br2] (M) Time (S) Abs. [Br2] (M) 45 1.008 0.00816 45 1.038 0.0084 60 1.003 0.00811 60 1.027 0.00831 90 0.989 0.008 90 1.011 0.00818 120 0.971 0.00786 120 0.98 0.00793 150 0.949 0.00768 150 0.961 0.00778 180 0.92 0.00744 180 0.944 0.00764 Experiment Average k 1 2 3 4 $ Run # 0.02M Br2 (m 4M Acetone 1 M H+ (mL) H2O (mL) 1 5 2 10 3 10 5550 5 10 5 5 10 0 4 10 10 5 0 mol/L Experiment [Br2] |[Acetone] [H+] -A[Br2]/At 1 0.005 1 0.25 -3x10^-6 2 0.01 1 0.25-2x10^-6 3 0.01 1 0.5 -5x10-6 4 0.01 2 0.25 -6x10^-6

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...

See similar textbooks

Similar questions

Payalben
IR spectra OF SOLID UNKNOWN List all the important peaks that can be used to determine the functional groups present in your solid unknown in the table below. Peak Position cm-1 Peak Characteristics (weak, strong, sharp, broad etc...) Bond type(sp3 C-H, C=C, C-O, O-H, C=O etc...) Functional Group (alkyl, aromatic, aldehyde, alcohol etc...)
The value of Ka for acetic acid is 1.75 X 1025. Find Kb for acetate ion.
Testing a asking question.
Name the molecule.
Q1
Write the Ksp expression for the sparingly soluble compound lead bromide, PbBr₂. Ksp = A₂ A³ A₂ If either the numerator or denominator is 1, please enter 1
What hydrogen does peak 5 correspond to?
identify the groups of homotopic protons and from these, the group with the lowest and the group with the highest shift values. Give an estimate for these shift values.
all 43% LTE 2:34 Question 4 of 8 Submit Construct the expression for Ka for the weak acid, NH,*. NH,*(aq) + H,0(10) = H,0*(aq) + NH;(aq) 1 Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ka %3D 5 RESET [H,O] [H,O*] [OH-] [NH,] [NH,] [NH,] 2[H,0O] 2[H,0*] 2[OH-] 2[NH,] 2[NH,] 2[NH,] [H,0]? [H,0*12 [OH-]? [NH,*)? [NH,]? [NH,-]? II
A student used a pH meter to collect data for the titration of an unknown concentration of propanoic acid with a 0.150 mol/L solution of sodium hydroxide. The data table from the investigation is shown in the table below. Data for the Titration of Propanoic Acid with Sodium Hydroxide Volume of propanoic acid: 25.00 mL [NaOH] = 0.150 mol/L Volume of NaOH (aq) added (mL) 0.00 2.00 4.11 7.98 11.95 14.08 16.05 17.00 17.21 17.39 17.62 17.99 18.18 18.39 18.80 20.00 22.03 PH 2.83 3.84 4.20 4.64 5.03 5.27 5.61 5.90 6.00 6.09 6.23 6.74 8.80 10.92 12.24 12.56 12.69 Adobe 4343625416 00..
Given the Ka values, estimate the pKa value of each of the following acids without using a calculator (that is, is it between 3 and 4, between 9 and 10, and so on?):