* Determine the oxidation state of each element/ion in this chemical reaction 2 Al + 3 Cu²+ →2 Al³+ + 3 Cu

Q: 31- Cross-ling is. A. One dimension. B. Two dimension C. Three dimension.

A: Polymers  are composed of very large molecules called macromolecule.

Q: A 1.00 L flask initially contains 4.40 mol of HI at a certain temperature. The K at this temperature…

A: 2HI <-------> H2 + I2  Number of moles of HI = 4.40 mol  Volume of flask = 1.00 L  Molarity =…

Q: Substation reaction is define as .3 A. Replaced by another atom or group of atoms. O B. Added to a…

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Q: To convert 20 g of ice at -5oC to 120oC to steam you need _______ cal of energy?

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Q: 50-The unit of density is. OA-g/cm2. OB - Km/cm. OC-g/cm3. 51-The unit of specific gravity is.…

A: Density = Mass / volume

Q: Complete and balance each of the following equations for acid-base reactions. Express your answer…

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Q: How many milliliters of 0.22 M NaCl Contains 0077 0.077 motes 2

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Q: Question 4 What is the name of the compound shown below? L

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Q: You run the reaction with two unknown quantities of copper sulfide and nitric acid and capture all…

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Q: the change in volume of a 3.26 L sample of Argon, at 0.999 atm, that is heated from 22 oC to 35o C…

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Q: Unit 3: Energy Changes & Rates of Reaction Topic 1: "Nuclear reactors should be used instead of…

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Q: .The unit of specific gravity is - 51 A - g/cm2. O B - Without unite. O C-g/cm3. O

A: Specific gravity is the ratio between the density of substance to the density of reference…

Q: na 14 1 A :8¹ FI 7 @ 2 0 *** F2 CH3 W S X 3 80 F3 E D Question 18 of 31 The compound shown here is…

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Q: Mekdon-540 is a new radioactive substance discovered by scientists. They would like to find the rate…

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Q: Draw the expected substitution products for the reaction of (R)-2-bromopentane with the following…

A: In the case of the strong nucleophiles, you will get both elimination and substitution products. but…

Q: If the pressure of a sample of gas is held constant, its volume (V) is directly proportional to the…

A: As Charles's law volume is directly proportinal to the temperature.

Q: 7. O A. Rearrangement reaction. OB. Elimination reaction. O C. Isomerition reaction. OD. Addition…

A: Correct option is C isomerisation reaction Explanation: Isomerisation reaction involve…

Q: A 2.1 M K2SO4 solution can be prepared by diluting mL of 9.2 M K₂2SO4 solution to 241 mL

A: • The values provided in the question are:-         i) Initial concentration of K2SO4 solution, M1…

Q: Does MnO4- have Ligand to Metal Charge Transfer or Metal to Ligand Charge Transfer?

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Q: An oxidizing agent undergoes a/an ________ in oxidation state

A: In this question, we will see that an oxidizing agent  is undergoes reduction or oxidation in…

Q: method

A: We know that potassium chromate is a metal chromate indicator.

Q: 4000 100 80 60 8 8 40 IR Spectrum (liquid film) 20 % of base peak 3000 59 2000 115 87 11 80 40 13C…

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Q: نقطة واحدة نقطة واحدة نقطة واحدة .Network polymer structure is .15 A. Branching. B. Liner. O C.…

A: Cross linked or network polymers are formed from bi-functional and tri-functional monomer and…

Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here.

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Q: A 1.00 L flask initially contains 4.40 mol of HI at a certain temperature. The K at this temperature…

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Q: e peptide amide bonds exist either as s-cis or s-trans conformation? conformations have the large…

A: Cis configuration means two bulky or lighter groups are present on same side of double bond.

Q: Compound HO HO 00 OH A is an example of reducing sugar. НО HO он ""OH HƠ B HO" "ОН OH C НО HƠ D -OH…

A: ->Compound which contains Hemiacetal group that is  Known as reducing sugar . ->Hemiacetal…

Q: HCl(aq)+Ba(OH)2(aq)→  Express your answer as a chemical equation. Identify all of the phases in your…

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Q: 1. NaOMe, MeOH, heat ? 2. TMEDA, sec-BuLi, THF; Cul, BrCH₂CH₂CH3 3. NaNH2, NH3 OMe NH₂ OMe OMe OMe…

A: The product of the following sequence is:

Q: A. Table 1 shows the data of pressure and volume of a gas at constant temperature. Table 1 VOLUME…

A: Note - Pls post part 3-B seperatively. Given : Following data of pressure and volume of gas at…

Q: UG fi .co ps 2 W F2 # G b C Gd C2 G D G P Question 11 of 31 Provide the correct IUPAC name for the…

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Q: 13. The development of modern plastics started in 1920s using raw material extracted from coal and…

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Q: explanation

A: According to the question, Na2CO3 is dissolved in water and Na2CO3 is dissolved in potassium…

Q: What is the advantage of using automated peptide synthesis? A) No side products are formed. B) Ease…

A: Automated peptide synthesis is a fast and easy to synthesize many peptides simultaneuosly. It…

Q: 29 - The hybridization of carbon atom in alkene is. OA-30+1 B-40 OC-20+2n

A: Detail description is given below

Q: A 1.00 L flask initially contains 4.40 mol of HI at a certain temperature. The K at this temperature…

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Q: A 10.6 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: 3. A student failed to completely decompose all of the KCIO,(s) present in their sample, leaving…

A: We have to discuss whether any changes occur or not.

Q: 3. (20) Cyclohexane may go through ring-flipping as shown below. 5 (a) Draw both of the possible…

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Q: Length:3.55 cm Width:2.55 cm Mass:0.338 g   Volume of aluminum foil (cm3)

A: For given aluminum foil we have,  Length:3.55 cm Width:2.55 cm Mass:0.338 g  We know the formula…

Q: 20 - Organic compounds are divide to: O A- Aromatic hydrocarbons. O B- Aliphatic hydrocarbons. O C-…

A: Detail description is given below

Q: What about the other 3?

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Q: The reagent for the preparation of alanine from acetaldehyde is? A) NaCN, NH4Cl B) HCN C) NH3 D)…

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Q: NO₂ A CI F B OMe Br C NO₂ E NO₂

A: Electron withdrawing group at para position facilates the aromatic  nucleophilic substitution…

Q: 34................... Cannot be heating and reshaped is. O A. Thermoset. B. Thermoplastic.

A: Thermoset and thermoplastic both are polymer but they behave differently when exposed to heat.

Q: List the four quantum numbers associated with the last electron added in the following orbital…

A: n = 3 l = 1  ml = -1, 0, 1 ms = +1/2 and -1/2

Q: buffer solution contains 0.365 M NaHCO3 and 0.305 M K2CO3. If 0.0385 moles of potassium hydroxide…

A: Given-> Molarity of NaHCO3 = 0.365 M Molarity of K2CO3 = 0.305 M Moles of KOH = 0.0385 mole…

Q: A hydrochloric acid solution is standardized by titrating with a solution containing 0.2329 g of a…

A: Here, sodium carbonate is used as the primary standard.

Q: A student made measurements on some electrochemical cells and calculated three quantities: • The…

A: THERE WE HAVE THREE DIFFERENT MEASUREMENTS (G,E,K) FOR CALCULATIONS WE NEED TO CONSIDER ANY ONE…

Q: Acetylene molecule C2H2 the - 28 .hybridization is A - Sp¹ B - Sp² C-Sp³ A B C The hybridization of…

A: In first question, we will identify the hybridization in Acetylene and in the last two question we…