Compare the width of PI to the range of the y-value from the sample: min: 3.2% max: 9.0%, range = 5.8 (%) 95% PI width=2.13 range of y-value= 5.8
Q: A solution was created by dissolving 7.399 g of calcium chloride in 54.2 mL of water (d = 1.00…
A:
Q: e Draw the conjugate acid for 2. Analyze the two compounds below. Circle the structure which is most…
A: Donate H+ ion is called as acidAcidity depends on inductive effect + I -decrease acidity and - I…
Q: Please don't provide handwritten solution
A: Given compounds are fatty acids.Fatty acids are carboxylic acids containing long hydrocarbon…
Q: Draw the resonance structure indicated by the curved arrows. Assign formal charges. H H- HO: H H…
A: Resonance structures are the sets of Lewis structures that describe the delocalization of electrons…
Q: A bond order of zero indicates that a species is unstable. Using MO diagrams, determine which of…
A:
Q: H3C + Li N(i-C3H7)2 CH3OCH₂OCH3
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: Draw Newman projection of both eclipsed and staggered conformations F. FF F LL OH
A: The Newman projection represents the dihedral angles of different conformations of a molecule. In…
Q: Be sure to answer all parts. What volumes of 0.200 M HCOOH and 2.00 M NaOH would make 0.350 L of a…
A: Given ,
Q: 15. Which one of the following molecules is most unlikely to adopt the chair conformation? A)…
A: First of all made all molecules in chair form .try to put relative configuration in stable form as…
Q: Provide the expected product for the reaction of each of the following alkenes with (i) HBr and (1)…
A: Markovnikov rule: It states that the negative part of reagent will attach to that carbon of double…
Q: 4. The pka of the most acidic CH₂ group in each of the following compounds was measured in DMSO as…
A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…
Q: (a) Rank each proton shown below in terms of relative chemical shift in the 'H NMR spectrum. (1 =…
A: Proton NMR spectroscopy is mainly used for the identification of the complete structure of an…
Q: CH,SH NaOH. H₂O Click and drag to start drawing a structure. D D 8:0  + 8
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: me following equation, how many hydrogen atoms are added or lost? 0-8 O one hydrogen atom added O…
A: We have to find how many hydrogen are added or lost in the reaction.
Q: In the titration of 35 mL of 0.2 M CH3NH2 (Kb=4.6 * 10^-4) w/ 0.2 M HCl, calculate the pH under the…
A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: H2O H3C H3C CH3 CI HO
A:
Q: Estimate the normal boiling point of m-xylene using Trouton's rule [estimating that ΔS is…
A: •∆S=88 J/K.mol•∆Hvap=35.66 kJ/mol = 35660 J/mol•We have to normal boiling point (T)
Q: Select correct and most relevant mechanism for each of the following reaction. Hint: Review Chapter…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: The lower the pH of a weak acid, the: A. higher the concentration of the weak acid. B. higher the…
A: The pH of a solution is the negative logarithm of [H+] ion concentration.So, ...(1)
Q: Researchers have been able to conduct sequential ring closing metathesis tollowed by a…
A: This is an example of ring-closing-metathesis using Grubb's catalyst
Q: Question 7 Which of the following cells is most likely to be an example of a galvanic cell? A) Zn(s)…
A: Answer:-This question is answered by using the simple concept of Galvanic cell which is also called…
Q: Iculate the pH of a 0.46 A) 9.20 B) 4.80
A:
Q: We can calculate cell potentials from the standard reduction potentials listed in tables. Potentials…
A: Well, we know complete cell reaction is obtained by adding oxidation half cell and reduction half…
Q: 1. Please describee (1) Type I B-Turn and (2) Type II B-Turn in detail. 2. Please show a protein…
A: Understanding the three-dimensional structure of proteins is fundamental to unraveling their…
Q: NH₂ acrylamide NH,CH3 (a) 1. LIAIH4 2. H₂O (b) Diamines are used as the building blocks for the…
A: Find out product of reaction1) nucleophilic addition reaction2) Reduction reaction
Q: Which of the following species below, when dissolved in H2O will not produce a basic solution? A.…
A: We are given following species and have to answer which of them will not produce basic solution in…
Q: Draw the major product of this reaction. Ignore any inorganic byproducts. HBr (1 equiv) H₂O₂
A:
Q: Consider the following reactants: Br H₂O Would substitution take place at a significant rate between…
A: For the given reactant we have to predict reaction can proceed or not. If yes what kind of major…
Q: Ammonia reacts with oxygen gas to form nitrogen monoxide and water. If 2.98 moles ammonia react, how…
A: Stoichiometry is the quantitative relationship between the number of moles of the products and…
Q: Calculate the pH of a 0.35 M solution of pyridine (C5H5N; Kb = 1.7 x 10^-9) A. 4.61 B. 4.77 C.…
A: Given,Concentration of pyridine solution(C)= 0.35 M Kb of pyridine= 1.7×10^-9 Find out pH of this…
Q: Draw the predominant product(s) of the following reactions including stereochemistry when it is…
A: The above reaction is the Hydrohalogenation reaction.In this reaction, Alkyne reacts with the HI (…
Q: Rank the molecules in increasing boiling point: (CH3)2NH, CH3CH2CH3, NH4Cl, CH3CH2NH2
A: A question based on compounds. 4 compounds are given whose boiling points are to be compared.
Q: 2. CoHgO 100 9 EP-5-591 4000 8 3000 1: ا 7 1 T 6 2008 ا = ppm AVENUE : 4 T 4500 3 4:2 2 1000 1…
A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…
Q: Identify the reagents needed to complete the following reaction. -SH 1) 2) S
A: In the given reaction alkyl halide reacts with thiol in the presence of a base, sodium hydroxide.
Q: a) b) c) d) e) ▬▬▬ ------ OH -Br· CH3 CH3 0 || -C-N CH3 CH3 NH2 ہیں۔ مسند O=( OH CH2.
A: The question is based on the concept of organic synthesis.We need to synthesize the product using…
Q: Consider the following equilibrium system: 2 NF3(g) N2(g) + 3 F2(g) A 10.8 L evacuated flask is…
A: The objective is to compute the value of equilibrium constnat, Kc.Given Data:Volume, V is 10.8…
Q: 6. Shown below is the reaction of nitrobenzene (C6H5NO2) with H₂ to form aniline (C6H7N) and water,…
A: C6H5NO2(l) + 3H2(g) -----> C6H7N(l) + 2H2O(l) ∆H°rxn = -552.5…
Q: 18. Draw the structural formula for each of the following 2-methyl-3-propylcyclopentene…
A: Given,The molecules:
Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 C and 207.0 Yorr at 45.0 C. Calculate the…
A:
Q: A solution in which the pH is 1.6 would be described as: A. very acidic B. slightly acidic C.…
A: Given,pH of a solution = 1.6
Q: Many elements crystalize with a unit cell that is hexagonally shaped (6 sided). The calculations of…
A: Answer:Here:
Q: A 10 Refer to the following figure. How many H-bonds would be present in the four base pairs that…
A: In DNA adenine and thymine join together by 2 hydrogen bondsAnd cytosine and guanine join together…
Q: A meso stereoisomer is possible for one and only one of the structures below. Identify which could…
A: The objective is to determine the mesostreoisomer of the given compounds. The meso compounds are…
Q: Classify the substances according to the type of bonds (nonpolar covalent, polar covalent, or…
A: When atoms share an equal number of electrons, a non-polar covalent bond is formed. There is no…
Q: At 25°C, K = 0.090 for the reaction H₂O(g) + Cl₂O(g) → 2 HOCI(g) Calculate the concentrations of all…
A:
Q: Answer the questions in the table below about this molecule: What is this molecule's chemical…
A:
Q: 10) Consider the following reaction at 35.0 °C: kJ 2 NOCI(g) →2 NO(g) + Cl2 (g) AGO = 20.0 rxn rxn…
A: Given:The reaction is:Calculate the equilibrium partial pressure of NO.The pressure of individual…
Q: Draw an equivalent resonance structure that minimizes charge. Include all lone pairs in your…
A: If the Lewis structure of a molecule or ion cannot be explained by a single structure then more than…
Q: Identify the products formed in this Brønsted-Lowry reaction. HPO² + BrO acid + base acid: H₂PO…
A: Bronsted-Lowry acid: It is a proton (H+) donor.Bronsted-Lowry base: it is a proton (H+) acceptor.
Q: Sighting along its C-N bond, draw the Newman projection of the conformation of dimethylamine given…
A: To draw the Newman projection formulae of dimetylamine, first, one has to sight along a specific…
Compare the width of PI to the range of the y-value from the sample: min: 3.2% max: 9.0%, range = 5.8 (%) 95% PI width=2.13 range of y-value= 5.8
Step by step
Solved in 4 steps
- 50 Percentage Red No. 40 Soln 100% 80% 60% 40% Table 4.1: Dilutions of Red No. 40 & Absorbance Volume of Red No. 40 Soln (mL) 10me 8mL опи 4mL Percentage Red No. 40 Soln 100% 80% 60% 40% 20% Volume of DI Water (mL) OML 2mL LIML M UML 8ML Table 4.2: Dilutions of Red No. 40 & Absorbance Concentration Red No. 40 2. Report the wavelength with the maximum absorbance of Red No. 40 dye. Absorbance 20% 2ML Part A: Making a Calibration Curve for Beer's Law 1. Calculate the concentrations of each of your diluted Red No. 40 solutions and add these to Table 4.2. Show at least one sample calculation in the space below. 0.251 0.192 Total Volume 0.181 0·119 0.060 (mL) 10 mL 10 mL 10 mL 10 mL 10 mLThe chromatogram shows the separation of components in an over-the-counter pain reliever. Calculate the number of theoretical plates, N, for the peaks of benzoic acid and aspirin. benzoic acid: N = aspirin: N = R= - plates plates Calculate the resolution, R, between benzoic acid and aspirin. Peak 1 2 3 4 2 4 2 6 Component acetaminophen caffeine benzoic acid aspirin min 3 10 tR (min) 3.97 6.15 9.73 14.8 12 14 W1/2 (min) 0.12 0.21 0.35 0.73 162. Several standards were chromatographed, 0.5 1.0 2.0 Conc (ug/ml) Peak area 5.0 10.1 17.2 and the results are shown below: 3.0 6.0 8.0 19.8 39.7 57.3 10.0 66.9 15.0 95.3 Graph using concentration as the X-axis and peak area as the Y-axis. Use Excel to determine the equation of the line. What type of standardization was used above?
- What is the relative average deviation in the following percent KHP values in ppt? 46.80% 47.23% 48.03%Given the following spectrophotometric data, what is the concentration of the sample? Concentration, Abs ug/mL 50.00 0.163 100.0 0.257 150.0 0.499 200.0 0.732 250.0 0.811 Sample 0.321PbI2 Ksp= 8.7 × 10-9
- NSCI- Chemistry Answer only 7-9Use the simulation lab to obtain the distance for the solvent front and the distance for each spot and then calculate the Rf 35ig figs acetaminoph Unknown Unknown Sample caffeine ibuprofen aspirin en Mixture #1 Mixture #2 13.0 cm13.0 cm 13. O cm 13.0 cm 13.0cm Distance to 130 cm solvent front 1.77cm 1.89cm 11.1 12.6 cm 1.78cm la.6 cm 11.0 cm 6.27cm Distance Spot(s) traveled 5.58cm Calculated R:(s) Components of Unknowns D. Additional Exercises 1. Which of the substances tested is most polar? What parts of the structure of this substance is polar? 2. Which of the substance tested is most non-polar? What parts of the structure of this substance in non-polar?Given the following spectrophotometric data, what is the concentration of the sample? Concentration, M Abs 0.000 (Blank) 0.021 0.100 0.193 0.250 0.322 0.350 0465 0.500 0668 0.750 0,801 1.00 0955 Sample 0.751
- For the data set, calculate the mean, standard deviation, and variance. mean: \table[[Sample, Value ],[1,4.028], [2,4.011], [3, 4.013], [4, 4.029], [5, 4.017], [6, 4.012]] standard deviation: variance: Ⓒ Macmillan Learning mean: For the data set, calculate the mean, standard deviation, and variance. standard deviation: 3 variance: C Sample 1 2 3 4 5 6 Value 4.028 4.011 4.013 4.029 4.017 4.012Analysis was run on samples from a known CRM with 8.85% Fe. The following results for %Fe were obtained by an analyst: 8.75, 8.51, 8.25, 8.61. Which of the following statements is true assuming none of the data points are outliers? Group of answer choices Tcalc = 63.15 The analysis is not accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is accurate at the 95% confidence interval. Not enough information to determine Tcalc = 63.15 The analysis is accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is not accurate at the 95% confidence interval.anch of the following components cannot be detected by gas chromatography? 4 Essential oils Alcohols b) Volatile compounds d) Non-volatile compounds 13- is measured as time elapsed from the point of injection to the peak maximum? a)-Column efficiency d)- Delectability c)-Retention time 14- Which of the following can be used to detect the components in gas chromatography a) non-volatile compounds b) volatile compounds c) Salts d) b&c 15-Which of the following methods is often referred to as mechanical separation processes. a)-Gas Chromatography b)-column chromatography c)- Sedimentation 16- For obtaining better resolution in TLC. and then developed with a second solvent at right angles to the first a) Stepwise b) Descending e) Ascending 17- This is defined as transport of electrically charged particles in a direct-current electric field a) ion exchange chromatography b) Electrophoresis c) ultracentrifuge d) exclusion 18-This figure indicates to schematic Diagram of a) Gas chromatography…
