Calculate the percentage of free acid for (a) phenobarbital (it is an acid with pKa = 7.40) and (b) hexobarbital (also an acid with pKa = 8.4) at the physiological condition of pH 7.4.

Q: i. NaOMe ii. BnBr H i. NaOH iii. CH3Br

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Q: Average molarity (show calculations). Standard deviation (show calculations).

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A: Oxidation and Reducing agent: The species which loses electrons or whose oxidation number increases…

Q: is the Arrhenius definition of an acid and a base? O a An acid contains hydrogen; a base contains a…

A: The concept of Arrhenius acid base is applicable for only aqueous solution.

Q: 3. Which is the strongest base? H₂CO A OCH3 B C OI ملهم Mooting

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Q: 1. HO CH OH ОН ОН ОН 2. HO CH₂OH ОН ОН ОН 3. НО CH₂OH ОН ОН OH 4. HOCH₂ 0 ОН ОН CH2OH ОН

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A: Answer: Below shown formula will be used to calculate standard Gibbs free energy change:…

Q: What is the pH of a buffer solution that is 0.493 M in hydrofluoric acid and is 0.483 M is potassium…

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Q: [Co(ONO) 3 (NH3)3] : [Fe(ox)2(H₂O)2]: [Pt(py)4] [PtCl4] : [Ni(NH3)6](OH)2: K₂ [FeO4]:

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Q: How would you combine reactions A-C, shown below, to obtain the overall reaction: NH₂(g) +BH₂(g) +…

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Q: Give the IUPAC names of the following alkyl halides: (a) (b) CI CH3 II CH3CH₂CHCHCH3 (e)…

A: The IUPAC names of the halides and structures of the halides are given below-

Q: 9. Calculate AS for each of the chemical reactions and compare the value to your predictions from…

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Q: What change will occur for the following reaction if the hypochlorous acid solution is diluted from…

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Q: Calculate [H3O+] for a 2.45x10-3 M HBr solution. [H3O+]= M Calculate [H3O+] for a 1.30×10-2 M KOH…

A: [HBr] = 2.45 x 10-3 M  [H3O+] = ?   [KOH] = 1.30 x 10-2 M  [H3O+] = ?

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Q: A 35.00 mL sample of 0.0877 M HCl is titrated with 0.121 M NaOH. Determine the pH of the solution…

A: Volume of HCl = 35.00 mL = 0.03500 L  Molarity of HCl = 0.0877 M = 0.0877 mol/L  Volume of NaOH =…

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Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…

A: [Ag+] = 6.17×10-4 M [Mn2+] = 1.04 M EAg+|Ago=0.80 VEMn2+|Mno=-1.18 V

Q: 0.150 grams of an unknown compound are dissolved in 0.20 liter of water. The solution has an osmotic…

A: Mass of compound(m) = 0.150 grams  Volume of water = 0.20 litre  Osmotic pressure = 0.05 atm  Since…

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A: (trimethylsilyl)allyl anion reacts with ketones and aldehydes to form a new C-C bond.

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A: we have to calculate the value of equilibrium constant

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Q: The numerical value of the term e -kt at a time equal to 3 half lives of a drug will always be equal…

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Q: From the reaction 2 C12H22011 (g) + 24 O2 (g) -->24 CO2 (g) + 22 H₂O (1) Calculate the number of…

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Q: 4. Draw the major product of the following three-step synthesis. 8 1. 2. 3. H3O* , cat H3O* Br oll.…

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Q: Give a pair of atoms (not a generic description, but two specific atoms) that fit the following…

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Q: Which of the following processes is an oxidation? Fe³+ → Fe²+ NADH → NAD+ A. B. C. FAD D. E. FADH₂…

A: A question based on introduction to chemistry. 5 options are given that are to be distinguished on…

Q: dach Et-

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Q: following information is given for ethanol at 1 atm: The To = 78.40°C Tm = -114.50°C Specific heat…

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Q: ti NH CH₂ -(CH3)- + || -NH–C-(CH2)6-C

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Q: What general type of reaction is depicted in each example depicted below? (e.g. oxidation,…

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Q: Calculating BMI with English Units Khloe is 5 feet, 9 inches (5’9”) and 170 lbs. Calculate her BMI.…

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Q: A compound has an ionisable groups with a pKa of 2.6. A 200 mL volume of a 0.15 M solution of this…

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Q: - H3PO3 is a triprotic weak acid. What is the balanced equilibrium defined as Kas of H₂PO₂? a. HPO32…

A: Triprotic acid is an acid which contains 3 dissociable protons. Given acid is H3PO3

Q: Identify the expected product(s) for the reaction below. Choose one answer. ÖTf KI EtOH, 35 °C QEt E…

A: This question is base on nebouring group participation.

Q: )   Does antifreeze ingredient ethylene glycol (HOCH2CH2OH; MM = 62.07 g/mol) have a lower or higher…

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Q: b) Give the systematic name for each of the following complexes: (i) (ii) [Fe(en)2Cl2][BF4] (iii)…

A: Here we have to give the systematic name of the above compounds-

Organometallic Compounds of s- and p- block elements

Organometallic compounds have a minimum of one bond between a metal compound and a carbon atom. Metalloid elements such as silicon, tin, and boron form organometallic compounds which can be utilized in a few commercial chemical reactions.