Escoja los reactivos necesarios para la siguiente síntesis: A Br OH A = Mg, THF B = PCC, CH2C12 C = 1. acetona; 2. H2O Leyenda de reactivos: acetona == []}] ● 79 C > x X formaldehido H 'Н MgBr B OH acetaldehído H

Q: 4. The reaction X + Y 2 Z is one that essentially goes to completion at equilibrium. Which of the…

A: Recall the reaction--- X + Y <==> 2Z  Which is most suitable for completion of the reaction ?

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Q: Phosphoric acid (H₂PO4) is a polyprotic acid. Write balanced chemical equations for the sequence of…

A: Acid is substance which release hydrogen ions when dissolved in water. H3PO4 is polyprotic acid.

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Q: 3. Potassium chlorate decomposes into potassium chloride and oxygen gas when heated. _KCIO₂ (s)→→KCI…

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Q: An aqueous solution at 25 °C has a pOH of 13.7. Calculate the pH. Be sure your answer has the…

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Q: What is the mass of 3.5 × 10 22 molecules of CO 2

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Q: (a) (c) % Transmittance 12.4 Which IR spectrum is consistent with an alkene? 100 100 80 80 60 60- 40…

A: The main characteristic IR peak of alkene is  a medium stretch in the range 3000 - 3100 cm-1 due to…

Q: Which of the following will be able to reduce Pb2+?  Li+ Li Au+ Au

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Q: Which half-reaction can occur at the anode in a voltaic cell? A Ni+² +2e → Ni B Sn + 2e Sn+2 С Zn →…

A: Solution: Oxidation : It is defined as the process in which lose of electrons took place and it…

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Q: following half-reactions represents the reduction of a potassium ion? + e → K

A: Reduction means addition of electron  Oxidation means removal of electron

Q: Draw the following organic compounds: a) 2-ethyl-4-methyl-2-pentanol c) 2-methylpropyl hexanoate b)…

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Q: Draw a picture illustrating a hydrogen bonding interaction between methyl methacrylate and acetone…

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Q: How many grams of NaCl are necessary to make 709.0 mL of 7.57 M solution?

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Q: C3⁢H6O) to create a solution where the mole fraction of chloroform, ?chloroform,χchloroform, is…

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Q: A container holds a mixture of 3.01 x 1023 molecules of H2₂ gas, 1.20 x 1024 molecules of CO₂ gas,…

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Q: Calculate the pKa of water in ammonia generating hydroxide and ammonium products. H2O = 1.07 M ; OH-…

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Q: 2. Draw curved arrows that show the bond changes for each chemical step shown below. CH3 H3C X-X-…

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Q: Modify the molecule to show the product of the given reaction. Add or remove bonds or atoms as…

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Q: -CI -ОН

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Q: Calculate the hydroxide ion concentration in a solution with hydronium ion concentration of 1.77…

A: Hydronium ion concentration = 1.77 × 10-3  Or, [H3O+] = 1.77 × 10-3 We know, pH = -log[ H3O+]…

Q: lfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid…

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Q: Calcium citrate (Ca3(C6H5O7)2; MM = 498.46 g/mol), a common food preservative, has a Ksp of 1.12 x…

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Q: PROBLEM: Choose the member with the higher entropy in each of the following pairs, and justify your…

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Q: 4. What is meant by temperature programming in gas chromatography?

A: Temperature programming in gas chromatography is the process of raising the temperature of the…

Q: Br₂ + S2-2Br* + S In the above reaction, the oxidation state of sulfur changes from How many…

A: Given-> Br2 + S2- -------> 2Br- + S

Q: What is total pressure in a 10.0 L flask which contians 0.127 mol of H2 (g) and 0.288 mol of N2 (g)…

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Q: Examine the potential energy diagram below. Use text boxes to respond. B F a. How many steps are…

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Q: 4 of 4 Equilibrium Practice Problem #2 When hydrogen and iodine are placed in a closed container at…

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Q: This question is related to the aldol reaction of carbonyl compounds depicted below. NH₂ NH₂ OH (a)…

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Q: How would you carry out the following reactions? More than one step may be required. (a) 3-Hexyne →→…

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Q: Mark and Elizabeth are combining two substances, X and Y, in chemistry class. Substance X is a solid…

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Q: Which of the following is the correct orbital diagram for the ground-state electron configuration of…

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Q: 2. a) A mixture of LiHCO3 and sand weighing 9.20 g is heated. After cooling, the residue composed of…

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Q: n analytical chemist is titrating 234.9 mL of a 0.5100M solution of trimethylamine ((CH3)N) with a…

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Q: Classify each monosaccharide according to the position of the carbonyl group and the number of…

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Q: 2. Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

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Q: CgHgO σας παρα 194.031 200 190 180 Attached Proton Test 170 160 153.097 134.216 150 140 131.523…

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Q: A compound designated as AB3 has a total valence electrons of 24. Elements A and B are from Group 6A…

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Q: An analytical chemist is titrating 77.9 mL of a 1.000M solution of hydrazoic acid (HN3) with a…

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Q: 4. Hydrogen peroxide decomposes via the reaction below: 2H202 -> 2H20 + 0 a. Write the rate…

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