How does chromatography separate the components of leave samples? 2. Can you use chromatography to purify a mixture? why? 3. What is Rf value and its significance in chromatography?

Q: Q5. Draw a slip system in the figure provided below, and determine the appropriate crystal structure…

A: We have find out the crystal structure.

Q: How many milliliters of 11.9 M hydroiodic acid solution should be used to prepare 2.00 L of 0.400 M…

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Q: The Balmer series provided the clue to the structure of the hydrogen atom, the simplest atom with…

A: The relation between wavelength, energy state and rydberg constant from atomic level is defined as,…

Q: A chemist must prepare 475. mL of 1.00 M aqueous sodium nitrate (NaNO3) working solution. He'll do…

A: Volume of sodium nitrate =475 mL = V2 Concentration of sodium nitrate =1.00 M =M2 Molarity=5.64mol/L…

Q: 1. Using ethanol as a solvent in today's synthesis produces an ether as a side product. Predict this…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A chemist carried out an elimination reaction of 1,1-dimethyl-2- (dehydrobromination)…

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Q: Please note that "geometry" refers to the molecular or ionic geometry. Recall that for predicting…

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Q: The simulation (as well as the full-lecture notes) indicated the difference between atomic mass and…

A: We need to use the periodic table to determine the answers. Here atomic mass would be in amu and…

Q: What are the total number of lone pairs of electrons in the following molecules/ions?      X: NCl3…

A: To find out the number of lone pairs and bond, we need to draw the lewis structures of the given…

Q: 45. What alkene product can be produced from the reaction of 2-hexyne with Lindlar's catalyst? A.…

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Q: 1. A cylindrical container 6 inch in diameter and 40 inches long contained nitrogen (R= 55.158…

A: We need to find the mass of nitrogen used and the volume which the used nitrogen would occupy at…

Q: Hydrazine (N 2H 2) and hydrogen peroxide react to produce nitrogen and water. How many grams of…

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Q: What type of compounds would expect to form electrolytes in solution?  A. ionic compounds  b.…

A: The type of compounds given are  A. ionic compounds  B. Covalent compounds

Q: Write a balanced equation to represent the complete combustion of each of the following. (Use the…

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Q: A compound is 53.31% C, 11.18% H, and 35.51% O by mass. What is its empirical formula? Insert…

A: Empirical formula - It the formula of a compound which indicates simple ratio of elements present in…

Q: 4. For the reaction below, predict the MAJOR elimination product. In t mechanism. OH HCl, H₂O…

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Q: What is the common name for this compound?

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Q: OH blocks top! w рая о-он Ph excess OH H₂, Pd/C 1. 03, -78 C 2. (CH3)2S ** 1) BH3 af sam 2) NaOH,…

A: Peracid is used for epoxidation. catalytical reduction of alkenes give alkane oxonolysis of alkenes…

Q: From the Lewis structures of the species given, pick all of those in which the central atom obeys…

A: Octet Rule : According to the octet rule when the valance shell of an atom has eight electrons then…

Q: What is the pH of each of the following strong acid solutions. (c) 68.0 mL of 8.20 M HIO4 diluted…

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Q: A student determined the average molarity of their sample of acetic acid to be 0.536 M. Calculate…

A: Given,The average molarity of acetic acid sample = 0.536 MDensity of the solution = 1000…

Q: Draw the anhydride you would use to synthesize n-octyl formate. Draw the anhydride you would use to…

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Q: Which of the following will give a positive 2,4-DNP test? me H3C H O A O all of them O D OC A A and…

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Q: a 32.0 ml sample of hydrogen is collected over water at 20 degrees Celcius and 101.3 kpa pressure.…

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Q: pH 1.806 2.020 2.235 2.449 2.664 2.878 3.093 3.307 3.522 3.736 3.951 4.165 4.380 4.594 4.809 5.023…

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Q: Write a balanced equation for the half-reaction that happens at the cathode of this cell. Write a…

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Q: The following chemical reaction takes place in aqueous solution: Cu(NO3)₂(aq)+Na₂S(aq) → CuS(s) +2…

A: To solve this problem we have to first write the ionic equations then net ionic equation will be…

Q: A 1400g sample of stream water contains 12.2 ppm of mercury. What is the mass of Hg in the sample

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Q: Question 10: Draw the products formed when CH3CH₂C=C Nat reacts with each a. CH₂CH₂CH₂Br b.…

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Q: Which alkyl halide below reacts the fastest in an E1 reaction ? I Br Select one: A. III B. II C. I…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: You have a gas sample of carbon dioxide at 298 K If the pressure is 0.827 atm what is the pressure…

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Q: When NO(g) reacts with O2 (g) according to the following reaction, 57.1 kJ of energy are evolved for…

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Q: The following chemical reaction takes place in aqueous solution: Zn(NO3)₂(aq) + (NH4)2S(aq) → ZnS(s)…

A: Given that a chemical reaction is ZnNO32aq + NH42Saq → ZnSs + 2NH4NO3aq. We have to write the net…

Q: O ACIDS AND BASES Identifying the major species in weak acid or weak base... The preparations of two…

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Q: Which of the following molecules/ions have a square planar molecular shape?   Question 10 options:…

A: The given molecules or ions have following molecular geometry----- Molecule/Ion Molecular…

Q: 2 H. There are + • Ý: The Lewis representation above depicts a reaction between hydrogen (blue) and…

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Q: CO (g) + 2 O₂ (g) → CO₂ (g) a) For this gas phase reaction, determine (i) ArxnH (in kJ/mole) and…

A: (A)The value of delta H for the given reaction can be calculated as ∆Hf = ∑Hproducts - ∑H reactants=…

Q: Calculate the pH of each of the following strong acid solutions. (a) 0.00640 M HIO4 pH =   (b)…

A: We will find H+ concentration and then calculate pH.

Q: Determine the relative solubilities of the following compounds: Compound Ksp Ag2SO3 1.5x10-14 CaCrO4…

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Q: Question 2 please

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Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: please find the below attachment.

Q: The alkyl chloride below undergoes an E1-type elimination. Which of the compounds listed below is…

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Q: Cr2O72- + ___ NO2- + ___ H+ + ___ H2O  YEILDS ___ Cr3+ +  ___NO3- + ___ H+ +___  H2O (b) NO3-(aq)…

A: Give, unbalanced redox reaction...

Q: Which of these most likely has the highest boiling point? O2-pentanol diethyl ether butanoic acid O…

A: Given compounds: 2-pentanol diethyl ether butanoic acid 1-pentanol 2-pentanone pentanal We have to…

Q: ) Calculate the percent ionization of 0.00850 M hydrocyanic acid (Ka = 4.9e-10). % ionization =…

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Q: Calculate the mass of vanadium(V) oxide (V₂05) that contains a million (1.000 × 10°) vanadium atoms.…

A: Atoms of vanadium given in Vanadium oxide = 1.000 × 106 atoms  Molar mass of vanadium oxide = 181.88…

Q: Three naturally occurring isotopes of an element are shown in the models below. What do the isotopes…

A: Isotopes are the atoms of same element having same atomic number (Z) but different mass number (A).

Q: Ok what about this one? I will also put the answer I got in there so you can check if I'm correct or…

A: We have to tell whether the given structure is correct or not. Introduction: IR and NMR…

Q: 2. If 0.001 L of a 0.5M solution is diluted to a total volume of 0.10 L, what is the concentration…

A: Given that, The initial volume of a solution is Vi = 0.001 L. The initial concentration of that…

Q: PROBLEM F.6 Draw the structure for each of the following molecules.…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.