AAS is the most widely used instrumentation for the analysis of metal and traces metal samples. State one factor from the following is insignificant to AAS. A. Wide range sample analysis B. Effective C. Low cost D. Robust
Q: RANKING: Knowing the effects of intermolecular forces on the boiling points of substances, rank the ...
A: Boiling point is the temperature at which liquid converts into vapour phase. Greater is the intermo...
Q: 3H2SO4 (aq) + 2Al(s). ----> Al2(SO4)3 (aq) + 3H2 (g) DeltaH = - 1055kJ a. What is the enthalpy...
A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...
Q: 1. Hg(ОАс)2, MEOH 2) NABH4
A: Major product is obtained by applying reaction mechanism as per reagent given .
Q: Which of the following statements is true for ideal gases, but is not always true for real gases? A...
A: According to the kinetic theory of gases: The particles of gases are in ceaseless, rapid, random mo...
Q: 12. Rank order the following carboxylic acids from strongest acid to weakest acid: COOH COOH (i) (ii...
A: An acid is called strong acid when it's conjugate base after deprotonation is most stable ,here ele...
Q: Current Attempt in Progress Which of the following have an isopropyl group as a substituent on the p...
A: According to the IUPAC, the parent chain is the longest chain where we encounter maximum number of ...
Q: QUESTION 5 Consider two different metals: Metal X and Metal Y. Metal X crystalizes into BCC (body-ce...
A:
Q: The following chemical reaction HI(g) + CH;I(g) CH(g) + L(g) is characterized by the experimental da...
A: A given chemical reaction is HI (g) + CH3I (g) → CH4 (g) + I2 (g). Also, the given experimental dat...
Q: How many Chlorine atoms are there in phosgene?
A: Phosgene is a colorless gas having molar mass equals to 98.92 g/mol. It is a suffocating gas.
Q: A certain catalyzed reaction is Known to have an activation energy Ea=29.0 kJ/mol. Furthermore, the ...
A:
Q: Indicate the orbital where each lone pair is found. (Encircle lone pair and label) Answer Letter (a...
A: We have to predict the type of orbitals each lone pair present in.
Q: concentration in serum taken from a patient being treated with litnium for ressive illneSS wa sing f...
A: Concentration is the measure of how much of a given substance is mixed with another substance.
Q: - What is the ideal solvent behavior for crystallization? - You will probably hear me say frequen...
A: Crystallization is defined as the process in which atoms in a given sample are arranged into a highl...
Q: Explain why carbon is such a unique atom. Include a discussion about molecular diversity of carbon-b...
A: Carbon has four electrons in the outer most shell.It has electronic configuration of 1s2 2s2 2p2, it...
Q: What is the freezing point, in °C, of a solution made with 1.31 mol of CHCI3 in 530.0 g of CCI4 (Kf ...
A:
Q: What is the general equation given when examining a titration? A (aq) + H2O (1) = HA (aq) + OH O H*(...
A: Volumetric titration is a quantitative method for determining the concentration of a solution using ...
Q: Predict the major product, Z, of the following reaction sequence. 1) NANH, 2) D. i) Give a detailed ...
A: In first step of reactions alkylation of terminal alkyne occurred. In second reaction reaction name...
Q: Which hazard statement is false in regards to dichloromethane? 1) May be corrosive to metals 2) Ca...
A: Answer Which hazard statement is false in regards to dichlorom...
Q: A signal for an allylic proton was found to come at 2.43 PPM using a 300 MHz NMR instrument. What wo...
A:
Q: 1. The measured electromotive force (EMF) for the cell Pt(s) H2(g, p = 1 atm) H*(aq, a = 1)||Cu²*(aq...
A: In an electrochemical cell notation, the oxidation half-reaction is represented on the left side, wh...
Q: Select all that apply. When is D2O used in Nmr experiments? 1. It can be used anytime 2. When c...
A: Various solvents like chloroform, Carbon tetrachloride can be used in the nmr spectrosopy. Also D2O...
Q: 23. The organic chemist decarboxylates beta-ketoacids at acidic pH values. In the mitochondria the p...
A: 24) In the Krebs cycle isocitrate is oxidized to oxalosuccinic acid (also called alpha-ketoglutarate...
Q: A sample of pure KHC204 · H2C2O4 · 2H20 requires 46.2 mL of 0.100 M NaOH for titration. How many mil...
A: Volume of 0.100 M KMnO4= 9.24 mL
Q: In Gas diffusion experiment, given that: The slope is 0.0023 ks/mm2 Density of acetone 760 kg/m3 MW ...
A:
Q: Complete the following sentence by typing a number in each of the answer boxes. HO Not considering s...
A: Here, we have to find the number of signals that the given compound would show in 1H NMR and 13C NMR...
Q: Describe the sample properties that would be suitable for; i) Gas chromatography (GC) analysis ii) H...
A: GS and HPLC are the techniques to separate compounds from mixtures .These are nalytical methods of c...
Q: Nitrate is commonly used to determine the reaction of coloured species that are absorbed at 550 nm. ...
A: Graph is drawn by using excel.
Q: 25. Why is NAD+ a good oxidizing agent? a. It fits into the enzyme active site for isocitrate oxidat...
A:
Q: Carbon NMR Homework 200 180 160 140 120 100 80 60 40 20 ppm
A: The given compound is C6H4Br2.
Q: Complete the following sentence by typing a number in each of the answer boxes. HO, Not considering ...
A:
Q: ammonium acetate carbonate dichromate hydroxide nitrate oxalate sulfate phosphate permanganate nitri...
A: polyatomic ions An ion composed of two or more atoms
Q: Which of the following statements is true for real gases? The volume occupied by the molecules can ...
A: The 1st and 4th option are correct that are : The volume occupied by the molecules can cause an de...
Q: To calculate E for a redax reaction before the titration begins can be calculated from a. The titran...
A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out o...
Q: Calculate the pH of a solution which has a pOH of 7.2 (standard conditions) 6.4 O6.4 x 107 O-6.4 O 0...
A: Given, pOH = 7.2
Q: Procedure Calculate the standard enthalpies of the following reactions from the standard molar entha...
A: Note : i have been asked ti solve only part 2,So here i am..... Standard molar enthalpies of form...
Q: Post Assessment Directions: Choose the letter that corresponds to the correct answer. Write your ans...
A: First law of thermodynamics states that energy can neither be created nor be destroyed. Hess law st...
Q: 14.53 Friedel-Crafts alkylation of benzene with 1-chlorobutane gave a product for which the 'H and 1...
A: The structure is as follows:
Q: . Column resolution is an indicator to identify the selectivities and efficiencies of the column abi...
A: Gas chromatography can be performed only in columns.
Q: RANKING: Knowing the effects of intermolecular forces on the boiling points of substances, rank the ...
A: There are various types of intermolecular forces exist in the molecules such as hydrogen bonding, Lo...
Q: What is the concentration (molarity) of a solution of KOH if 175 mL of a 0.45 M KOH is added with wa...
A:
Q: Calculate the [H+] in an HClO2 solution that has a pH of 2.59. (Answer to 4 decimal places
A:
Q: Imagine you are a scientist and you are working with a museum on an archaeology exhibit. They tell y...
A: Given that, in a museum a living plant leaf contains carbon-14. The half-life of carbon-14 is t1/2 =...
Q: 5. The general structure of a soap molecule is shown below. The carboxylate "head" of the soap molec...
A: Concept: Hydrophilic: It describe something which has tends to be attracted toward water. Hydropho...
Q: Part A Given the following reaction at 298 K: 2 H2S(g) + SO2(g) → S8 (s) + 2 H20(9) Calculate A,G un...
A: Note : more negative value of free energy change the more spontaneous reaction is. ...
Q: Stack gas analysis: 8.06% CO2, 0.50% H2, 5. 55% O2, 85.09% N2, 0.80% CO. a) fuel burned
A: burning of fuel
Q: Sighting along the appropriate C-C bond of neopentane C(CH3)4: a) Draw its Newman projections. b) Ho...
A:
Q: ank the bonds below in order of relative polarity. se data from the electronegativity table in the O...
A: Given : We have to tell the order of polarity of given HF, HCl and HI.
Q: . What is the use of benedicts test? 2. What are the reagents/chemicals used during the test? 3. Wha...
A: When Benedict's reagent combined with reducing sugar a brick red precipitate formed which indicates ...
Q: If I need 307mL of 2 Molar solution of KBr how many milliliters of solution must I take from a 8M so...
A: Given :- final concentration of solution = 2M final volume of solution = 307 mL initial concentrat...
Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an acti...
A:
Step by step
Solved in 2 steps with 2 images
- 7. An impure sample of Na S04 weighed 1.562 g. A BASO, precipitate from this sample weighed 2.496 g. Calculate the percentage of sulfur and the percentage purity of the salt. Ans. 21.97% S; 97.25% Na S0. ore sample which weirbedRefer to the following UV-Vis absorption spectra of indicator L: Relative Absorption [//Also] 5 3 0 400 pH 10 O a. Yellow O b. Blue O c. Orange O d. Violet pH 6 pH 3 600 Wavelength [nm] What color is predominantly absorbed by indicator L at acidic pH?eLogin B Problem Set Metals and Coordin X 1 DownloadAttachment conline.broward.edu/d2l/le/content/460959/viewContent/12468049/View ROWARD OLLFGE | CHM1046 GEN CHEM || ENHANCED... Assessments v Tools Resources v v lome Content Grades Communication v tents Metak and Coordination Compounds Problem Set Metals and Coordinalion Compounds plem Set Metals and Coordination Compounds 2) Circle the ions with the 4s orbitals empty? Mn: and its
- 1.Determine the color of the indicator in a given condition: METHYL ORANGE IN AN ACIDIC ENVIRONMENT. 2.This is the measure of reproducibility of data within a series of results. 3.This is the chemical to be subjected to testing in titrimetric method of analysis. 4.Determine the type of assay employed for this substance: TARTARIC ACID 5.Determine the color of the indicator in a given condition: PHENOLPHTHALEIN IN AN ALKALINE ENVIRONMENT. Please help me answer this questions. the answers are on the image I attached2The reductant in Walden reductor, is a. any first group element b. metallic silver Oc KMNO4 O d. AGNO3 3In Potentiometric methods, species of interest is measured at the electrode. 2 a. Working b. auxiliary C. indicator o d. reference 23A 0.20 g sample of primary standard Na2C204 (134 g/mol) needed 37.22 mL of of KMNO4 solution to reach the end point. What is the molarity of KMN04 reagent O a. 0.008 M b. 0.055 M O c. 0.100M d. 0.016 M1. One of the methods of eliminating interferences, is by adding solvents to the solution in which components to be removed are soluble, which method is this? a. Complexation b. Extraction lon-exchange d. Precipitate С. 2. Which of the following properties of precipitates is desired in gravimetry? a. Large b. Pure С. Free of contaminants d. All of the choices
- Describe the following as used in analytical chemistry a) semiqualitative analysis b)Assay c) derivatisationhe teaching and lear X + m/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-... ☆ [Review Topics] [References] Use the References to access important values if needed for this question. In the laboratory you dissolve 18.5 g of potassium phosphate in a volumetric flask and add water to a total volume of 250 mL. What is the molarity of the solution? What is the concentration of the potassium cation? M. < M. What is the concentration of the phosphate anion? Retry Entire Group Submit Answer 7 more group attempts remaining Previous M. T Next ■ Save and Exit 11:08 PM 8/31/2022 X :A second calibration standard solution of an iron(III) salicylate complex was prepared in two steps. First, 10.0 mL of a 0.100 M stock solution was added to 90.0 mL of solvent to make 100.0 mL of the first calibration standard solution and, secondly, 80 mL of that first calibration solution plus 20.0 mL of solvent were mixed to make the second calibration standard. What is the concentration of the second calibration standard solution?
- 1. Define: spectrochemical methods, spectroscopy, spectrometry, spectrometer, and spectrophotometer. 2. What is specific about the general analytical strategy for spectrochemical analysis methods comparedto instrumental analysis in general? 3. What is meant by the dual nature of light?Solutions of cobalt (II) ions have a magenta color with a molar absorptivity constant (e) value at 511 nm of 5.87 M-1cm-1. A 0.500 mL sample is transferred from a 50.0 mL stock solution of Co(NO3)2 and diluted with water to a final volume of 7.50 mL. The dilution had an absorbance value at 511 nm in a standard cuvette (1.00 cm light path) of 0.382. Calculate the mass of Co(NO3)2 contained in the original 50.0 mL stock solution.Chlorine pentafluoride D (156) TESK - Green Sta B Final assessmentpdf - T Lab Reports - 202030 A www-awu.aleks.com/alekscgi/x/lIsl.exe/1o_u-IgNslkr7j8P3jH-lv-OZhvG1qYPWviNXOF96XoVW3_W7J0tF-2drAGbNSolpTW6rAkbtcy5PbEwUBck_5y4DIn88jVEEPfKWHKeGb8Pd1BB-lo?1oBw Gmail YouTube A Home - SUNY Broo. SUNY Broome Com. = Calculus Preface (?) E Brytwave Blackboard O Clutch Quizlet Knowledge Check Question 9 A student dissolves 14.9 g of potassium chloride (KCI) in 200. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 20.0 °C to 15.2 °C over the course of 8.9 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KCl(s) → K (aq) + Cl (aq) You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Note for advanced students: it's possible the…