What is the solvent that is used to elute the TLC plate called? O Stationary Phase O Solvent Front O Mobile Phase O Origin

Q: Draw two examples of the compound described below: a. an 8-carbon molecule with secondary alcohol,…

A: Cis-alkene means same groups are on the same side of the double bond. Secondary alcohol means -OH…

Q: HO Molecules with a plane of symmetry between the chiral centers are achiral and meso. HO OH…

A: Answer: Stereoisomers those contain some symmetry element are called as meso compound.

Q: b. You have 100 mLs of a 2 M histidine solution at pH 6.0, how many ml.s of a 5 M KOH solution must…

A: Histidine(His) is an amino acid with a side group(=NH+) whose pKa = 6.0  Since the initial pH = pKa,…

Q: 8. How would you prepare a solution with a concentration of 0.005 M of Na₂SO4 from a stock solution…

A: Solution of lower concentration than that of stock solution can be prepared by dilution

Q: I would like to you help me with my homework because I struggled with step 6. Can you help me with…

A: Central S atom is surrounded by two bonding and one non-bonding electron group. Thus, central atom…

Q: You dissolve 0.45 g of Cu in 4.0 mL of 12 M HNO3. What mass of solid sodium hydroxide pellets must…

A:

Q: Draw two examples of the compound described below: b. a 12-carbon molecule with carboxylate,…

A: #(b): We have to draw two 12-carbon molecules having a carboxylate group(R-COO-), a diphosphate (2…

Q: Good Question. Draw the best Lewis structure for each of the following common solvents. water (H₂O),…

A: We have to draw the Lewis structure of the following compounds  1 - water (H2O) 2-methanol (CH3OH)…

Q: QUESTION 3 3. Calculate the mass percent (m/m%) of 2.5 mol/L NaCl solution

A: 3) Mass percentage: Mass percentage is the grams of solute present in 100 gram of the solution.…

Q: Н Н Н Н H Н Н I H H

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Q: Molecular Shape of OF2 (1) Oxygen (2) Fluorine 2 буудл A₁ B₂ E₂ = ABE₂ Step 1: Find the Central Atom…

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Q: Identify the oxidizing and reducing agent of the given equation: Answers should be the symbol of the…

A: Here we are required to find the oxidizing agent and reducing agent of the given equation.

Q: Part I: Hydrocarbon Structures and Names. INSTRUCTIONS: For each row in the table, you are given one…

A: Hydrocarbons are represented by different methods in organic chemistry. molecules are the same but…

Q: The following initial rate data are for the reaction of ICI with hydrogen: 21C1+ H₂ → I2+ 2HCl…

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Q: Determine the mass, in grams, of 0.585 moles of 1 (1 mol of I has a mass of 126.90 g).

A: The mass of a compound can be determined by the moles of that compound.

Q: Macmillan Learning What is the mass, in grams, of 9.84 x 1024 molecules of methanol (CH3OH) ? mass:

A: Given, The given chemical compound is methanol (CH3OH) . The given molecule of the methanol is…

Q: What is the formal charge on the oxygen and nitrogen?

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Why is 1,2-dichloroethane also called ethylene dichloride?

A: In Organic Chemistry,  Organic compound are named by two methods one is IUPAC nomenclature and…

Q: The valence shell refers to the electrons of an atom that are available for atomic interactions.…

A: Valence shell is the outermost shell of the atom whose electrons are most loosely bound and can…

Q: Provide the IUPAC name below

A: The naming of an organic compound can be done with the help of international union of pure and…

Q: 1. Calculate the total volume of 25 mM NaCitrate, and 25 mM NaPhosphate you will need for both day 1…

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Q: At 1000 K, a sample of pure NO₂ gas decomposes: 2NO₂(g) 2NO(g) + O₂(g) The equilibrium constant Kp,…

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Q: compound A B C D sketch of molecules in it H H-C-C # C-C-H H :O: H-C=C—Ö-H HHH H-O-C- C H-O-C :O: H…

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Q: 21. For the following acid-base reaction, predict which side of the equilibrium is favored. F3C A)…

A: Answer: In this reaction strength of conjugate acid and conjugate base will decide which side…

Q: Which of the following is the correct Newman projection for the following compound as viewed down…

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Q: . Which of the compounds shown in the figure are amphoteric? I only Ill only C. I and II only d. II…

A: Amphoteric compounds are those which behave as acid as well as base, that is show dual behavior. For…

Q: What is the hybridization state of the nitrogen atom in the following compound? H H-C-N-H IT HH 3 a)…

A: It is just like tha NH3 structure which is sp3 hybridised

Q: Draw a cyclohexane and label all axial and equatorial positions. Perform a ring flip and label all…

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Q: Consider the following equilibrium process at 686. °C: CO₂(g) + H₂(g) CO(g) + H₂O(g) The equilibrium…

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Q: The noble elements are the most reactive of the elements listed on the periodic table. O True False

A: The noble gas elements are present in the 18th group of the periodic table. The elements helium…

Q: но- CH₂OH H

A: Enantiomers are non-superimposable mirror images of eachother and they have exact opposite…

Q: Why is the final product from the crystallization process isolated by vacuum filtration and not by…

A: Crystallization is method of purification used for organic compounds . In crystallization process at…

Q: Question 10 For the tin plated steel : Tin is more anodic than steel, and once the steel is exposed…

A: A question based on electrolytic cells that is to be accomplished.

Q: Starting from the Newman projection below, rotate the back carbon to provide the structure in a…

A:

Q: 2 Predict the formula of the compound that form when lithium atoms react with nitrogen atoms.…

A: We know that, Atomic number of Li= 3 Atomic number of N=7 then,

Q: The loss or gain of a valence electron results in an ion. O True O False

A: the ion is of two types -  1- cation  2- anion

Q: AH₁ 2NO2(g) → N₂O4(g) 2NO(g) + O2(g) ¯ Calculate the AH in kJ of 2NO(g) + O2(g) → N₂O4(9) 2NO2(g)…

A:

Q: 1, 2. :0: ند Ö: نزا

A: Resonance is movement of pi electrons or lonepair from one atom to another in the molecule.  And new…

Q: 2. (From Atkins, Exercise E17E.1(b)) The proposed reaction mechanism for the renaturation of a…

A: To derive the rate law for the production of the stable double helix product (H) using the steady…

Q: 2. surrou. Calculate the enthalpy change to be expected for the reaction NaCl(s)→ NaCl(aq) where (s)…

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Q: 14. If the following molecule is allowed to react with a Lewis base, please label the atom which is…

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Q: ) Which term best describes the relationship between the two molecules depicted in the box (below):…

A: 2) we have to find the relation between the given two molecules

Q: An unknown student takes an unknown mass of an unknown weak monoprotic acid and dissolves it in an…

A: Let the weak monoprotic acid be HA. When one volume of the unknown weak acid is titrated, it gets…

Q: Calculate Ks for 13- complex knowing that the total concentration of iodine in the aqueous phase is…

A: Ks is the stability constant which is calculated as: Ks=[I3-][I2][I-]⋯⋯⋯⋯⋯(1) Distribution…

Q: The nitrogen lone pair of this molecule is delocalized. true or false

A: In this question, we will see that nitrogen lone pair delocalized or not.  Those lone pair…

Q: Imagine that you take a sample of natural neon gas, Ne(g), and run it through a mass spectrometer.…

A: mass spectrum represents different mass-to-charge ratio particles with their abundance.

Q: Table 1.A. Boiling point elevation LIQUIDS MOLALITY Distilled water Sugar NaCl KCI 3.895 5.704 8.048…

A: Elevation in boiling point of a solution is equal to the product of molality of the solution and the…

Q: III. Using curved arrows, to show the movement of electrons that coverts a Lewis form to a more…

A: •Here two compounds are given with their Lewis structure. •We have to make arrows and convert these…

Q: A rigid 1 m³ tank contains nitrogen gas, initially at 10 bar, 27 °C. Heat transfer to the gas until…

A: The answer to the following question is-

Q: ΣΗ ΣΗ ppm B

A: 1 H NMR spectrum gives an idea of number of sets of non equivalent protons and arrangement of…