What is the purpose of recrytallizing an organic compound?

Q: What is true about 02 (g) + 2HCl (g) AHY-48 kJ mol i. The reaction is non-spontaneous. ii. The…

A: Option i is correct.This is due to the fact that  negative ∆G  results in an spontaneous…

Q: Which of the molecules are linear? BeCl₂ SF 2 NO₂ XeF2

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Q: calculate the solution temperature required to produce an osmotic pressure of 1.18 mbar using 3.72…

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Q: What is the molarity of C6H12O6 in an aqueous solution that is prepared by dissolving a 18.05 g…

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Q: A 2.94 L solution containing 1.46 mol L-1 potassium hydroxide (KOH) has been left on your bench. How…

A: Volume of solution = 2.94 LConcentration of potassium hydroxide We have to calculate the moles of…

Q: CH3 CH3 CH3 .....CH3 Answer Bank CH3 CH3 CH3 CH3

A: The molecule which can not be superimposed is called chiral molecules, while a molecule that can be…

Q: DUE ASAP: Please choose the letter of the best and correct answer. No need for detailed explanation.…

A: Depending on the particular body of water and the local climatic circumstances, different nitrogen…

Q: did not understand the last part and I think it 114 degrees is wrong it should be - 114

A: The entropy change varies with natural logarithm of initial and final temperatures if there is…

Q: Hal- Pt (Inert) Fig. 6 1.0 moit, KNO, N 1.0 mol/L NaOH(aq) 1.0 moi Ni(NO), Select one: O +1.09 V O…

A: In a galvanic cell, two electrodes are immersed into their respective electrode solution separately,…

Q: ered swer According to MO theory, overlap of two p atomic orbitals produces two л MOs, two л* MOs,…

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Q: Ideal solution composition of A and B liquids at 80°C is 100 (for A) and 600 (for B) mmHg,…

A: Composition of solutionLiquid A, PA = 100 mmHgLiquid B, PB = 600 mmHg

Q: The Henry's Law constant of methyl bromide, CH3Br, is k=0.159 mol*(L*atm) at 25 degree celcius. What…

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Q: = ACIDS AND BASES Determining the strength of acids from a sketch = H₂O 2 3 Solution 1 Solution 3…

A: Here we are provided with the molecular structure of acid dissolved in water. We need to predict the…

Q: What is the IUPAC name of the following compound? ball & stick + labels

A: In ball - stick model, the general trend is-Red balls - oxygen atomGrey balls- carbon atomWhite…

Q: H H- CH3 H CO₂H H- Br Br CO₂H Br -Br CH3 H H Br Br CH3 Br -Br CO₂H CO₂H -H I CH3 H

A: Constitutional isomers: They have same molecular formula but different structural formula, different…

Q: State the time-dependent Schrödinger equation. Subsequently derive the time-independent equation and…

A: The time-dependent Schrödinger equation describes the evolution of a quantum system in time. It is…

Q: A chemist dissolves 575. mg of pure hydrochloric acid in enough water to make up 380. mL of…

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Q: the answer is wrong

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Q: Question 2 of 22 > Macmillan Learning How many σ and 7 bonds are in this molecule? H H number of o…

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Q: Phosphorus (P) is element 15 on the periodic table. A sample contains 3.32x1025 atoms of P.…

A: For phosphorous (P) Atomic number of phosphorus = 15 Given,Sample of phosphorus contains = 3.32 ×…

Q: 3. Balance the following reaction using the Oxidation Number Method 12 + HNO3 HIO3 + NO2 + H₂O

A: The oxidation state of iodine of I2 is 0. The oxidation state of iodine in HIO3 is +5.As oxidation…

Q: P/Pa 524 1731 3058 4534 /(cm³ g-¹) 0.987 3.04 Determine the volume required to form a monolayer.…

A: There are few assumptions in this isothermThe solid surface is homogeneous and has a fixed number of…

Q: Question Aspartic acid, alanine, arginine, glutamic acid, leucine, and lysine Which of the these…

A: The internal transfer of H+ ion from COOH group to NH2 of amino acids leads to the formation of…

Q: .CI H3C B H3C CH3 H3C CH3 C H-CI CH3 .CI H3C ? D CH3 CI H3C E CH3 + CH3

A: Alkenes have nucleophilic character hence, it can give electrophilic addition reaction in presence…

Q: Methyl acetate is hydrolyzed in approximately 1M HCI at 25°C. Aliquots of equal volume are removed…

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Q: Which is the correct Lewis diagram for the compound made from oxygen (O) and chlorine (CI)? (Hint:…

A: Lewis structure is a way of representing a structure in which bonded (shared pair) electrons are…

Q: Macmillan Learning Consider the given reaction. おえ一枚 Which reactant is the Lewis acid and which is…

A: It is based on the concept of Lewis acid and Base.Here we are required to identify the Lewis acid…

Q: 5 H3C. these two methyl groups are not part of the main C chain and can be consider functional…

A: A functional group is a substituent responsible for distinctive chemical properties and chemical…

Q: Draw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic…

A: The alpha-bromocarboxylic acid reacts with excess ammonia to produce an amino acid.

Q: 5. Using the letter designations, rank the following compounds from lowest carbonyl stretching…

A: Given some carbonyl compounds.

Q: Complete the Avogadro's Statement for the element hydrogen: 1 mole of hydrogen hydrogen atoms =…

A: A mole is defined as that amount of the substance which has mass equal to gram atomic mass if the…

Q: Select the correct IUPAC name for the straight-chain alkane. CH₂(CH₂), CH3 The alkane is named:…

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Q: The racemization of pinene is a first-order reaction. In the gas phase, the specific rate constant…

A: The question is based on the concept of arrhenius equation. we need to calculate activation energy…

Q: Select the true statements. BF3 has a trigonal planar shape. Trigonal planar molecules have three…

A: To identify the true statements from given question.a) BF3 has trigonal planar shape.Since in BF3,…

Q: What volume of 3.00 M CH3OH solution solution is needed to provide 0.270 mol of CH3OH

A: Molarity of  CH3OH solution = 3.00 MMoles of  CH3OH  = 0.270 mol

Q: Question 10 Gas chromatography is: a recording of velocity versus time the flash point values versus…

A: A question based on analytical process. 5 choices about the gas chromatography is given the most…

Q: 2) If you started with exactly 2.000 g of salicylic acid and 5.00 mL of acetic anhydride, calculate…

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Q: I need help with question 80?

A: Entropy of a reaction is defined as the increase in degree of randomness of product molecules…

Q: benzene ring and it will react with AlCl3 and Zinc + HCl. What is the reaction mechanism

A: When a benzene ring reacts with AlCl3 or zinc in the presence of HCl, two different reaction…

Q: which of the following gas samples would be most likely to behave ideally under the stated…

A: We have to calculate the option in which the gas at a particular condition behaves ideally.

Q: A molecule with a tetrahedral molecular geometry has atom. These molecules have central atoms with…

A: Given: Molecule is having a tetrahedral molecular geometry.

Q: o Predict the two major organic products of the reaction. (HI behaves as an HX reagent.) H₂C ΤΟ +…

A: Alkenes react with HX to form alkyl halides.Addition of…

Q: 3. Circle the compound that matches the spectrum provided. Note that the peak at 1.5 ppm exchanges…

A: NMR spectroscopy is an analytical technique for structure elucidation of a compound. 1H NMR is used…

Q: Give typed full explanation not a single word hand written otherwise leave it  A buffer is prepared…

A: It is based on the concept of buffer.Here we are required to find the pH of the buffer of acetic…

Q: what volume will a sample of f2 gas occupy in a syringe at 5.57 bar is the f2 has a volume of 25.0…

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Q: if 0.3781 g of a gas with a molecular weight of 18.015 g/mol is in a ridged 5.00 l container at 384…

A: The ideal gas equation for the relation between pressure (P), volume (V) and temperature (T)…

Q: "A liquid fuel mixture contains 30.25% hexane (C6H14), 17.10% heptane (C7H16), and the rest octane…

A: Mass of fuel mixture = 15 kgHexane = 30.25%Heptane = 17.10%Octane = 100 - (30.25+17.10)…

Q: Part A. For each pair of isomers A and B, choose the one molecule that is chiral. * Isomer A…

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Q: Part B. Mark each chirality center in each molecule with an asterisk (*). Name Biotin Colchicine HN…

A: A question based on introduction to organic chemistry. Structures of two organic compounds are given…

Q: Ammonia is synthesized from nitrogen gas and hydrogen gas at 400 degrees Celsius and 350 kPa.  If…

A: Temperature (T) = 400°CPressure (P) = 350kPaVolume of N2 = 30.5 L-> Hydrogen is in excess.