Which set(s) of compounds below could be easily separated by column chromatography? Circle: a a) b) c) Br b NH₂ LOH

Q: A 3-component mixture of compounds A, B, and C (5.000 g) was separated by filtration, extraction,…

A: Given that, A 3-component mixture of compounds A, B, and C (5.000 g) was separated by filtration,…

Q: Determine the point group of each molecule. Show the different symmetry elements.

A: Given : formula of compound

Q: A 70.0 mL solution of 0.550 M Pb(NO3)2 was mixed with 55.0 mL of 0.600 M Na3PO4, resulting in the…

A: Given reaction: We have to find the molecular weights of Pb(NO3)2, Na3PO4, and Pb3(PO4)3. Also, we…

Q: A chemist prepares a solution of potassium iodide (KI) by measuring out 322. μmol of potassium…

A: The concentration of the potassium iodide solution is = 920 µmol/L

Q: . Under what conditions of AG, AH and AS is the reaction never spontaneous?

A: Given : reaction should never spontaneous. If ∆G is positive reaction is non spontaneous.

Q: Using Cahn-Ingold-Prelog rules, identify the substituents that would have the highest priority.

A: Given : groups  Tip : according to CIP rule

Q: Proteins 1 and 2 interact strongly. A significant part of the interaction is between the amino acid…

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Q: draw in the Reaction arrows (election flow arrows) to convert reactants into products prt A. Br H₂C…

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Q: QUESTION 3 The recipe for a fruit salad calls 125 g of strawberries, 0.35 kg grapes and 21 dg of…

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Q: What test will you use to differentiate Alkenes from alkynes? Explain.

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Q: Question 4 What is the molarity of Na (ag) in a 8.99 M solution of Na,S(aq)? Do not include units in…

A: In this question, we have to find the Molarity of Na+(aq) in a 8.99M solution of Na2S(aq).

Q: In carrying out the first standardization in this experiment, a student used 0.5067 g of potassium…

A: The mass of KHP used = 0.5067 g The volume of NaOH solution needed to reach the equivalence point =…

Q: Calculate the first two radii of hydrogen atoms' allowed orbits. What are the prohibited values of…

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Q: A 25g of CaCl2 is dissolved in 250ml of water in a coffee-cup calorimeter.  The temperature of…

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Q: The equilibrium concentrations for the following reaction at 500 K are [NO] = 0.66 M, [02] = 1.0 x…

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Q: Which of the following is not true for the Carnot cycle? (The integral is the path integral over the…

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Q: 10:43 AM Mon Oct 17 ← Question 15 of 15 www Q Curved arrows are used to illustrate the flow of…

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Q: 248 g piece of lead is dropped into 472 mL of water with an initial temperature of 295.75 K. The…

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Q: The following pH curve is for the titration of 20.0 mL of a 0.10 M solution of a weak monoprotic…

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Q: Calculate the initial concentration of a reactant that took 5 min to reach a final concentrationof…

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Q: 5. You are working with an that has [H] = 0.0001 mol/L. a. What is the [H] of the solution? b. What…

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Q: A scuba diver 60 feet below the ocean surface inhales 50 mL of compressed air from a scuba tank at a…

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Q: HO O -N H H O 1. LiAlH₂ 2. H₂O cat. H+ 1 equiv. EtOH - H₂O cat. H+ - H₂O 2. ? ? 2. ?

A: LiAlH4 is a strongest Reducing agent which reduces ketone to secondary alcohol . Treatment with 2…

Q: From a given 700.0 mL stock solution of analyte, a scientist transfers 30.0 mL aliquot to a flask,…

A: On dilution, the number of moles of solute present in the solution remains same. The dilution…

Q: Propane (C3H8) burns in oxygen to produce carbon dioxide and water. C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)…

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Q: Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide.…

A: From balanced reaction three mole of NO2 react with water and produce two mole HNO3 and one mole NO

Q: Draw the structures of the products of these reactions, show the mechanism.

A: When benzoyl chloride treated with propyl alcohol in pyridine then ester is formed as -

Q: cat. H+ excess CH3OH -H₂O O

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Q: 3. True or false: the standard entropy of H₂(g) at 298.15 K is zero. (a) True (b) False

A: Standard entropy of a substance is the entropy of 1mole of the substance at standard conditions (…

Q: 6. Draw a reaction energy diagram for an endergonic reaction that is fast.

A: #6:  Total free energy is absorbed during an endergonic reaction making the free energy of the…

Q: 6. A sample of Magnesium Chloride (MgCl₂) has a mass of 12.94 g. How many atoms of Clare in the…

A: Given = Mass of MgCl2 = 12.94 g

Q: Consider the following reaction where Ke = 1.29x10-2 at 600 K: COCI₂ (9)CO (g) + Cl₂ (g) A reaction…

A: To check the answers, we need to calculate the value of Reaction quotient (QC) for given moles  and…

Q: HHHH H-C-C-C-C-H T HHHH These two are chain length isomers. optical isomers. structural isomers.…

A: Answer: Two compounds those have same molecular formula but different structural or spatial…

Q: are not wolls al szabongizes SITTA 2. In determining the density (d) of a sample, the measured…

A: Significant figures: The way or a form of expressing a large number in a simple form to make easy…

Q: why doesn't F22+ occur (with respect to molecular orbital theory)? illustrate as needed.

A: Concept based on the molecular orbital theory. According to this theory F22+ ion is existable and…

Q: Multiple Choice Use the following information to answer the next question A voltaic cell is…

A: In a cell notation, the left half-cell represents the oxidation reaction(Anode) and the right…

Q: Calculate pH for a weak acid/strong base titration. Determine the pH during the titration of 59.5 mL…

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Q: Draw the skeletal (line-bond) structure of (R)-3-isopropoxy-4,4-dimethylhex-1-yne. Use a dash or…

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Q: select the salts that, when dissolved in water, would form acidic solutions  NaF  NaCl  NH4Cl…

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Q: What is the major organic product obtained from the following reaction? 1 H₂O но. H де де H OH 3 OH…

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Q: Uranium-238 undergoes a radioactive decay chain before it reaches nuclear stability, forming the…

A: Here we have to write first five steps of the radioactive decay series of U-238

Q: Calculate ΔS° (J/mol-K) for the reaction below, given the thermodynamic data in the table. Report…

A: Since, Entropy is a thermodynamic quantity. It measure the randomness. If randomness is more then…

Q: How many modes of H+ grein 855mL of 0.65 m nitric acid, HNO3

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Q: Calculate K. for the following reaction, provided the concentration versus time graph shown below.…

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Q: Under certain conditions, K=1.472 x 10-14 at 30 °C. Which of the following is true at this…

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Q: Setting up a unit conversion A student sets up the following equation to convert a measurement. (The…

A: Here we are required to convert the following unit from one form to another.

Q: A 0.720 mol of Ca3(PO4)2 sample weighs how much in milligrams? What is the mass in grams of…

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Q: An unknown metal crystallizes in a body-centered cubic unit cell. The edge length of the cell is…

A: In case of body-centered cubic unit cell, the relationship between edge length radius of atom is…

Q: newly developed adhesive is found to be a nonelectrolyte upon dissolving in water. A prepared…

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Q: Ammonia  NH3 chemically reacts with oxygen gas  O2 to produce nitric oxide  NO and water  H2O .…

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