e tap to activate Page 7 of 7 Page 6 of 7iz #3 AnaClasswork for 5 Chemistry 5E Quiz - The AtomEPVR7vQaBdOTkdkkqbUQV8RO00PTsppl-RQ1FDU2MTMCYHQ/viewform?hr_submission=Chkigt-Wikip.A Algebra Foundatio.G Image result for sur.Classwork2.3 Eukaryotic CellsDemocritus, Dalton, RutherfordWhich of the following is NOT a part of John Dalton's model of the atom? * 7 pointsO Atoms of the same element are all alike in mass, shape, and sizeAtoms of two elements may combine in different ratios to form more than onecompoundElements are composed of microscopic, indivisible particles that we call atomsAtoms are made of parts that have a positive charge and a negative chargeAtoms of different elements have different masses and sizesO The union of two or more atoms of different elements forms chemical compoundsAtoms combine to form compounds in small, whole number ratios such as 1:1, 2:2,2:3, and so onWhich of the following was one of Empedocles elements (from ancientGreece)?points LSfxPvR7vQaBdOTkdkkqbUQV8RO00PTsppl-RQ1FDU2MTMCYHQ/viewform?hr_submisic drift - Wikip..Algebra Foundatio.Image result for sur..ClassworkG2.3 ELWhich of these two images describes the behavior of alpha (a) particlesin Rutherford's gold-foil experiment? *Neither of these is correct

Atoms are made up of parts that have a positive charge and a negative charge

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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...

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Calculate the retardation factor (Rf) for dissolved Tetrachloroethene contamination given the bulk density of soil is 2.4 gm/cc, fraction organic content (foc) of soil is 0.005, and the Organic Carbon Partition Coefficient (Koc) is the number you look up in the table. HInt: Use Fetter Equation (Koc = Kd /foc to calculate Kd. Group of answer choices 1.4 to 2.7 l/gm 1.08 to 1.2 Cannot be calculated from given information. 3.25 to 4.5 1.05 to 1.2 l/gm
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The amino acid glycine (H2N—CH2—COOH) can participatein the following equilibria in water:H2N—CH2—COOH + H2O ⇌H2N—CH2—COO- + H3O+ Ka = 4.3 x 10-3 H2N—CH2—COOH + H2O ⇌+H3N—CH2—COOH + OH- Kb= 6.0 x 10-5(a) Use the values of Ka and Kb to estimate the equilibriumconstant for the intramolecular proton transfer to forma zwitterion:H2N—CH2—COOH ⇌ +H3N—CH2—COO-(b) What is the pH of a 0.050 M aqueous solution of glycine?(c) What would be the predominant form of glycine in asolution with pH 13? With pH 1?
The protein unfolds at a transition temperature of 75 ºC and the standard enthalpy oftransition is 61 kJ mol-1. Calculate the absolute molar entropy (S(353 K)) of the unfoldedprotein at 80ºC, if Cp, folded = aT3 below 10K (a = 0.0257 J K-2 mol-1), above 10K Cp, folded= 5.23 J K-1 mol-1 and Cp, unfolded= 6.28 kJ K-1 mol-1
[I] [S] Vo 1/[S] 1/ Vo 0 mM 0.1 mM 0.333333333333 mM per minute 0 mM 0.2 mM 0.50 0 mM 0.3 mM 0.60 0 mM 0.4 mM 0.666666666667 0 mM 0.5 mM 0.714285714286 Calculate the Vmax, the Km, and the slope (Km/Vmax) for the control (with [I] = 0 mM) and for each non-zero concentration of inhibitor A ([I] = 0.1, 0.2, 0.3, 0.4, and 0.5 mM). Which type of reversible enzyme inhibition is illustrated by inhibitor A?
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A unique plant was discovered from the hot springs of Maquinit, Coron, Palawan. To study the activity of the plant, approximately 5.00 g of the fresh plant was finely cut and ground and then mixed with an extraction buffer to make up a total of 1.00 mL crude plant extract. Approximately 19.00 mL of water was added to the plant extract. To determine the protein concentration of the extract, a bovine serum albumin (BSA) stock solution with a concentration of 300 μg mL-1 was used and mixtures with the following compositions and absorbance readings were prepared: A 100 μL aliquot of the diluted plant extract was added with 400 μL of water and was subjected to Bradford assay. Determine the protein concentration, in mg mL-1, of the original 1.00 mL crude extract if the absorbance of the diluted aliquot extract acquired from the analysis is 0.234.
What is the protien gradient?

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