Order the compound A, B and C from lowest to highest Rr. The sample is spotted on a silica te and developed in a hexanes/ethyl acetate solvent mixture. OH s "NH₂

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A: Here Specific energy and Density of Ethane and Ethanol Are given. Energy density is defined as the…

Q: 15. A solution is made by dissolving 7.5 g of K₂SO4 in enough water to prepare 750. mL of solution.…

A: Given: the mass of K2SO4 = 7.5 g The volume of the solution = 750 mL We have to find the molarity of…

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Q: QUESTION 2 What is the balanced net ionic equation for the following reaction: Kl(aq) + F2(g) 12(3)+…

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Q: Consider the reaction described by the equation The rate law is C₂H, Br, (aq) +31(aq) C₂H₂(g) + 2 Br…

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Q: Distinguish between them through H-NMR ? Fe 3

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Q: 1. Identify all symmetry elements in the following molecules. Use diagrams or verbal descriptions…

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Q: (Zn(NO3)₂) by measuring out 100. g of zinc nitrate into a 150. mL volumetric flask and A chemist…

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Q: The polymerization of vinyl chloride (1.6x105M) is carried out using hydrogen Peroxide (0.4x106 M),…

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Q: 1. CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2- CH3-CH2-CH2-CH2-CH3 2. CH3-CH2-CH-CH2-CH2-CH2-CH3 I I 3.…

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Q: Calculate the enthalpy change using the net ionic equation for the given neutralization reaction at…

A: The balanced chemical equation is: Ba(OH)2(aq) + 2HCl(aq) →BaCl2(aq) + 2H2O(l)  The complete ionic…

Q: What are the ideas of these following components based on the idea of "like dissolves like"?…

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Q: Y Part A As a technician in a large pharmaceutical research firm, you need to produce 450. mL of…

A: part A: 450. ml of 1.00 M potassium phosphate buffer = 0.450 L * 1.00 mole / L = 0.450 mole  Let…

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A: 2,2-dimethyl butane are volatile organic compounds that are constituent of air pollution.

Q: Significant digits give information about (select all that apply) a. The results of an experiment.…

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Q: A typical human body contains between 9 and 12 pints of blood. A woman's body contains 11.05 pints…

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Q: a. 8.7 g + 15.43 g + 19 g = 43.13 g b. 4.32 cm X 1.7 cm = 7.344 cm² c. 853.2 L - 627.443 L = 225.757…

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Q: Finding the side length of a cube from its volume in liters A technical machinist is asked to build…

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Q: 1- The value of the chemical displacement of the axial proton in cyclohexane is less than the…

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Q: Which of the following is a set of constitutional isomers? Į I Br II, III, and IV O II and III O I,…

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Q: Write out structure representations for all isomers of the following complexes: (b)…

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Q: The phase change from gas state to a liquid is called a) boiling b) sublimation Oc) vaporization d)…

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Q: 0.4% Iodine Potassium Iodide = I2KI = a solution of elemental iodine (I2) and potassium iodide…

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Q: A 24.4 mL sample of 0.211 M ethylamine, C₂H5NH₂, is titrated with 0.343 M hydroiodic acid. At the…

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Q: (d) HÖ (a) yes H₂N: ОН (e) No (b) 8: Identify what type of intermolecular force the following…

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Q: Predict the type of intermolecular forces that will be formed with the same kind (#1-3) and…

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Q: A solution contains 2.60 moles of heptane and 5.50 moles of octane. What is the mole fraction of…

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Q: 5 A 0.400-g sample of toothpaste was boiled with a 50.00 mL solution containing citrate buffer and…

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Q: Excess sodium phosphate is mixed with 641.2 mL of strontium chloride at a concentration of 0.492…

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Q: The lattice energy of KCI is -690. kJ/mol, and the enthalpy of hydration is -707 kJ/mol. (Recall…

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Q: 1. The antibacterial activity of flavonoids was tested against the bacterial strain, Escherichia…

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Q: An electrochemical cell based on the reaction. Zn(s) + Pt² (9₂) -> Zn²+ (aq) + pt(s) Has a standard…

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Q: Draw a Lewis structure for each conjugate acid or base. Write in any non-zero formal charges and…

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Q: it the no -life time for a reaction is 36 minutes when the initial concentration of the reactar 0.30…

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Q: What mass of hydrogen gas was produced?   What mass of zinc reacted?   What was the percentage of…

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Q: 7. Calculate the pH of a buffer solution consisting of 0.50 M HClO (Ka = 2.9.10 ) and 0.60 M NaClO.…

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Q: methanol is less polar than  water, but it is more polar than the C-18 molecule, a completely…

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Q: A single dose of medication has a mass of 450mg. What is this mass in grams?

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Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

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Q: What is the average rate of NO₂2 appearance in the range between 300-400 sec? Estimate the…

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Q: Na-24 with a half life of 15h is used to study blood circulation.if a patient is injected with a…

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Q: Which of the following are enatiomers? НО н НО н НО НО НО н CHO -Н CHO ОН н -ОН CH2OH н -Н н -ОН…

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Q: Look at the statements below and then identify ALL items which are chemical processes. Remember that…

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