Please select the correct answer.

Q: Describe the working principle of Alkaline fuel cell (AFC). What is the “poisoned state” of an AFC?…

A: Answer: An alkaline fuel cell (AFC) is an electrochemical device that converts chemical energy from…

Q: (b.mmng Ammonia gas can be prepared by the reaction of calcium oxide with amirnium chloride: Cao(s)…

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Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.0146 M solution. The pH of the…

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Q: Draw the condensed structural formula, or line-angle formula, if cyclic, for each of the following:…

A: The question is based on the concepts of Organic Chemistry. We needto draw either Bond line…

Q: 5. Would you expect the following reactions to be nearly complete? Why or why not? -31 a. N₂(g) +…

A: In the given question, we have to find whether the reaction is completed or not.

Q: 10. What would you expect to be the effect of an increase of pressure on each of the following…

A: According to Le Chatelier's principle, if a dynamic equilibrium is disturbed by changing the…

Q: Give the IUPAC name for the organic compound shown here: C-NH T C-C-C The IUPAC name of the molecule…

A: IUPAC stands for the International Union of Pure and Applied Chemistry. It is an international…

Q: What are the components of a typical hydrogen fuel cell? Simply state the functions of each…

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Q: The Ka of HC2H3O2 = 1.8 x 10^-5 what is the pH of a 2.15M HC2H3O2 soln?

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Q: Butane undergoes combustion when it reacts with oxygen to produce carbon dioxide and water.…

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Q: ncorrect Question 17 What is the product(s) of the following oxidation reaction, if any? SH S S This…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: 12. A 2.50 L vessel contains 1.75 mole N₂, 1.75 mol H₂ and 0.346 mole NH3. What is the direction of…

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Q: For the reaction: 4 HCl(g) + O2(g) = 2 C12(g) + 2 H2O(), the equilibrium constant is 0.063 at 400 K.…

A: Given reaction: 4HCl(g) + O2(g) ⇌ 2Cl2(g) + 2H2O(l) Given: The equilibrium constant(K) = 0.063 The…

Q: If 0.15 M NaOH is slowly poured into a beaker containing 0.14 MCa(NO3)2 and. 0.25 M Fe(NO3)2, which…

A: Given,Concentration of NaOH solution = 0.15 MConcentration of CaNO32 solution = 0.14…

Q: Br2 (1 equiv) hv Br

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Q: Answer the questions in the table below about the shape of the carbon dioxide (CO₂) molecule. How…

A: A lone pair is a pair of valence electrons that are not involved in a chemical bond between atoms.…

Q: If you find that [CoCl42-(aq)] = 0.783 M, [Co(H2O)62+(aq)] = 0.569 M, and [Cl-(aq)] = 0.495 M at 6…

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Q: Let's consider the combustion of propane, which occurs in gas grills. What are the products of…

A: Combustion is a chemical reaction that occurs between a fuel and an oxidizing agent, typically…

Q: What mass of KNO3 is needed to prepare 75.00 mL of 0.35M of KNO3 solution?

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Q: For a disc-shaped particle of diameter 2.00mm and length 0.500 mm, calculate the following…

A: a. To find the equivalent volume sphere diameter, we need to find the diameter of a sphere that has…

Q: Calculate A,Gº for the following reaction at 298 K as written. 2 Ag(s) + Sn4+ (aq) → 2 Ag+ (aq) +…

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Q: Taking the Ksp of Zn(OH)2 as 4.0 x 10-3 and the Kf of [Zn(NH3)6] 2+ as 9.9 x 108 , determine how…

A: To solve this problem, we'll follow these steps: Write the balanced chemical equations for the…

Q: Write the chemical equation for the reaction of aniline with HCl to form an amine salt

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Q: 3) A solution of 0.10 M silver nitrate, AgNO3, is added to a solution of 0.10 M lithium hydroxide,…

A: Given :  Concentration of AgNO3 = 0.10 M  Concentration of LiOH = 0.10 M  Ksp (AgOH) = 2.0 x 10-8

Q: Butadiene reacts to form a dimer according to the equation 2C4H6(g)-->C8H12(g) The following data…

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Q: CO₂H For the functional group(s) on the following molecule, what characteristic IR absorption(s)…

A: We have to determine the IR absorptions expected for the given structure

Q: 2. Suggest synthetic routes to the following using the indicated starting materials (2a and 2c will…

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Q: Thank you so much for helping me with the first page, but the second page was not answered, its the…

A: “Since you have posted multiple questions, we will provide the solution only to the first three…

Q: لادلاء MeO ه Heat 1.) Na, NH3 (1), CH3OH 2) MO MeO

A: These questions are examples of di-π-methane rearrangement and birch experiments.

Q: Data vial + NaOH mass empty vial mass measured volume 100 liquid mass (V x density) NaOH used soln…

A: We need to calculate: (a) heat absorbed (b) enthalpy change (c) molar enthalpy change (d) % error

Q: Answer the questions in the table below about the shape of the methanone How many electron groups…

A: A Lewis structure is a two-dimensional representation of a molecule or ion that shows how the atoms…

Q: A 218.3-milligram cube of iron is heated to 1,408°C and placed in a calorimeter filled with65.2-mL…

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Q: Name the compound below H CH₂CH₂-N-CH₂CH₂CH₂ 2-aminopentane 2-nitropentane ethylpropylamide…

A: IUPAC nomenclature is a world wide accepted naming of compounds .

Q: 2. How would you carry out the following transformations? (b) G 0-ठे COH

A: The conversion of the given reaction as follows

Q: Calculate the density of lithium if a slab of it is 0.55cm wide, 0.005dm thick and 2.40mm long with…

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Q: Change these word equations into formula equations and balance them. 1. silver oxide → silver +…

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Q: A cell is set up based upon these iron and copper redox couples: Cu/Cu²+ and Fe/Fe2+. Copper behaves…

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Q: Which of the following is an alcohol? O NaOH H₂C-C-CH₂ CH 3 CH 2 OH HẠNH:

A: Different functional groups are: Aldehyde group  (R-CHO) Carboxylic group (R-COOH) Ether (R-O-R')…

Q: Platinum (Pt) crystallizes in a face-centered cubic unit cell and has a density of 21.45 g/cm3.…

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Q: Calculate the molality of a 1.22 M aqueous solution of sugar C12H22O6). The density of this solution…

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Q: 4. A 500. mL buffer solution is prepared by mixing 50. mL of 0.650 M NaOH and 45 mL 0.500 M H₂PO4 c.…

A: Given,  Molarity of NaOH = 0.650 M  Volume of NaOH = 50.0 mL Molarity of H3PO4 = 0.500 M  Volume of…

Q: The solubility-product constants, Ksp, at 25 °C for two compounds [iron(II) carbonate, FeCO3, and…

A: Given :  Concentration of Fe+2 = 1.02 x 10-2 M  Concentration of Cd+2 = 1.48 x 10-2 M

Q: What is the approximate concentration of free Cu²+ ion at equilibrium when 1.05x10-2 mol copper(II)…

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Q: 2. Suggest synthetic routes to the following using the indicated starting materials (2a and 2c will…

A: Alcohols of hydroxyl group is bad leaving group to make good leaving group, alcohols should convert…

Q: What is the percent dissociation of an acid given that the pH of a 0.30 M solution of benzoic acid…

A: Check the formula for the percent dissociation which contains molarity and pH is given as %…

Q: Enter the chemical formula of a binary molecular compound of hydrogen and a Group 7A element that…

A: The question is based on the concept of chemical compounds. we need to identify a compound of…

Q: Mechanism (1) кои оз NaOH Д

A: This is an aldol condensation reaction. Mechanism is given in detailed in next part.

Q: Below are two isomers of histamine. Given the overall structure of Histamine, which form is more…

A: Histidine is an amino acid that contains an imidazole ring with two nitrogen atoms, labeled as the…

Q: Hemoglobin (Hb) and oxygen gas form a complex (HbO2) that carries oxygen throughout the human body.…

A: The reaction quotient (Q) and equilibrium constant (K) are both related to chemical equilibria and…

Q: b. с. CI CH₂ONa снон HO+ НО. CH,COH OCH

A: Mechanism of these reactions are given below.