. Aluminum metal is produced by passing an electric current through a solution of aluminum oxide (Al2O3) dissolved in molten cryolite (Na3AlF6). Calculate the molar masses of Al2O3 and Na3AlF6.

Q: Arrange the following compounds in increasing order of boiling point (lowest first).…

A: Boiling point is depends upon following factors

Q: Water is analyzed in wine by the Karl Fisher method with the following reaction: 12 + SO2 + 2H₂O 2HI…

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Q: Ⓒ Synthesize Hard OH from (phenil) (with only benzene and propene as carbon sources, synthesize 14-…

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Q: Consider the following reaction at constant P. Use the information here to determine the value of AS…

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Q: 2) For each of the following reactions, list three ways in which the rate of the reaction could be…

A: The rate of reaction is the speed at which a chemical reaction takes place. It is defined as…

Q: A  ____ is a molecule which makes water coat a surface or dilute thick blood more readily.…

A: Solution:  In the question we have to answer that what makes the thick blood dilute.

Q: Practice problem: show the synthetic steps involved to perform the following transformation. OH CH3

A: This involves conversion of alkene into alcohol and addition of one methyl group on same carbon.

Q: Predict the product of the following sequence: AA B B с с D D Me NET₂ 1. LDA, THF; Mel 2. LDA, THF;…

A: Here we have to write the major product formed in the following sequence of reactions.  Here LDA (…

Q: The final ratio of the CH3COOH and CH3COOK

A: pKa of acetic acid solution = 6.38The final pH of the buffer solution = 5.79We have to calculate…

Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂ (g) → 2HCl(g) Reaction 2: 20F2 (g) → O2(g) + 2 F₂…

A: Given that, the reaction 3 is N2 g + 2O2 g → 2NO2 g       ∆H = +66.4 kJ. We have to calculate the…

Q: Metallic iron crystallizes in a body-centered cubic lattice, with one Fe atom per lattice point. If…

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Q: 3. You receive a request to manufacture a stock solution of magnesium chloride, so that when it is…

A: We have to determine the weight of magnesium chloride requires to prepare solution of magnesium…

Q: An analytical chemist is titrating 75.7 mL of a 0.7300M solution of acetic acid (HCH3CO₂) with a…

A: When acetic acid react with sodium hydroxide it will form a buffer solution, and now we to calculate…

Q: Choose the structure that fits the descriptions below from the pool of choices. Use the dropdown…

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Q: Predict the product of the following sequence: A B A B C C Me D D NET₂ Me Me 1. LDA, THF; Mel 2.…

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Q: Problem 2: pka = 3.69 Your facilitator asked you to prepare 450-mL of a buffer solution having a pH…

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Q: Calculate either [H3O+] or [OH−] for each of the solutions. Solution A: [OH−]=2.77×10−7 M;…

A: To Calculate the [H3O+] or [OH−] of the solutions by using the formulae: KW=[H3O+] [OH−] KW=10-14…

Q: If you did not filter the saturated calcium hydroxide solution provided in lab, what would you…

A: If we do not filter the saturated calcium hydroxide solution, there will be some solid calcium…

Q: One or more of the monomers below are needed to make the polymer Choose which one(s). D NH2(CH2)6NH,…

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Q: Question 7 Give the complete ionic equation for the reaction (if any) that occurs when aqueous…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: (a) Calculate the molar concentration of all the ions in 0.40 M of aluminium sulphate. 0.4 '5. -5.…

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Q: A 1.5L nitric acid solution was prepared by mixing 5mL of concentrated nitric acid (SG = 1.42) with…

A: Volume of final solution = 1.5 L  Volume of nitric acid taken = 5 mL

Q: Bromine-88 is radioactive and has a half life of 16.3 seconds. Calculate the activity of a 1.3 mg…

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Q: The pH of a basic solution is 8.45. What is [OH-]?

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Q: If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a…

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Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Relationship between Gibbs free energy, reaction enthalpy and entropy of reaction is given by,  ∆G =…

Q: Chemistry . What are the limitations that Forensic investigators face.

A: Forensic investigation face some limitations in their investments.

Q: Nitric acid can be produced by reacting nitrogen gas, oxygen gas and water according to the…

A: Nitric acid can be produced by reacting nitrogen gas, oxygen gas and water. 2N2 + 5O2 + 2H20 = 4HNO3

Q: What volume of hydrogen gas is formed at 30oC, and 950 mmHg, when 5.00g of calcium reacts with 250.0…

A: Please find your solution below : Molarity is a measure of concentration which is defined as number…

Q: Which of the following would be expected to form hydrogen bonds with water? (Select all that apply.)…

A: The compounds that have slight negative charge on oxygen or nitrogen will form hydrogen bond with…

Q: Give the major peak that would be present in the functional group r following compounds: 2800 Y OH…

A: 1) C-H of alkane have =3000 - 2850 cm-1 (streching) 2) O-H of carboxylic group have frequency values…

Q: Y Part A How many half-lives are required for the concentration of reactant to decrease to 25% of…

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Q: can you explain and give example Radical reactions and additions to C=C double bonds

A: Carbon carbon double bond show radial reaction as well as addition reaction.

Q: Electrochemical detection is commonly used in combination capillary electrophoresis systems. This is…

A: Solution: With an increased rate of mass transport, a good hydrodrynamic conditions are important…

Q: At T = 298K, the 1-butanol(1)/water(2) system is immiscible. x = 0.488 and x² = 0.0191. If the…

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Q: You inflate your car's tire to 35psi (2.38 atm) on a hot summer day 96.22°F   (°C = ?) .  If the…

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Q: Se =) michael acceptor. michael Donor

A: The given reaction is known as Robinson Annulation in which Michael addition followed by aldol…

Q: 1. Diprotic acids are acids which are capable of releasing two moles of H+ ions per mole of the…

A: Protic acid :-  An acid which can release proton (H+) is called protic acid. Diprotic acid :-  An…

Q: 5. Two students attempt to etch their initials on a gold plate using hydrochloric acid. 6. A student…

A: By calculating the cell potential we can determine the reaction spontaneity.

Q: At what condition would the ATP stop being produced in the electron transport chain? Select the…

A: The ATP is formed as a result of proton gradient mechanism in the electron transport chain.…

Q: what is the semi structural formula and molecular formula of pentan-2-amine, 2-chloropan-1-ol,…

A: Condensed Structural Formula is basically a system in which we write organic molecules in a line of…

Q: 1. Statement 1: The oxidation number of hydrogen is -1 when bonded to non metals and +1 when bonded…

A: There are three questions from different concepts. Whether the statements are true or false are…

Q: For each bond, show the direction of polarity by selecting the correct partial charges. I-CI +0 &…

A: Polarity is arises due electro negativity diffrence. Atom which is more electronegative get…

Q: (i) Sketch a typical eutectic phase diagram with components A and B as shown in Figure 5 on your…

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Q: 4. A student in organic chemistry lab determined the boiling point of each for the following…

A: We need to determine if the given compounds have same boiling point or not.

Q: IV. Draw the structures of the products expected from the reaction of cyclopropylcylohexene with…

A: The answer to the following question is-

Q: 1.9-BBN, THF 2. H₂O2, NaOH I I I HBr (1 equiv)

A: Lindlar's Catalyst converts an alkyne to a cis-alkene. In oxymercuration, the alkyne reacts with…

Q: How many moles of H2 are required to produce 5 moles of NH3? * N₂ 6.5 2.5 6.75 O 7.5 + H₂ NH3

A: Here we are required to find the Moles of hydrogen needed to form 5 mole of ammonia

Q: Dinitrogen tetroxide partially decomposes according to the following equilibrium: N2O4(g)  ⇌  2…

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Q: 2. Calculate C₂H2 (S) AH for the reaction; 2 C (s) + H₂ (g), from the following Data; 1) CO2 (g) → C…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".