Q1/ Calculate the molecular weight ( M,) of the following polymers. +CH-ÇH¬so i- 50 OH ii- +CH,-ÇH) 100 iii- +CH, ¢} 'H°? .... 1111

Q: CAHS +6 O2 4 CO2 + 4 H20 1. Is the stoichiometric equation balanced? 2. What is the stoichiometric…

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Q: how much percentage of n-octane and n-heptane is there in gasoline 75?

A: Gasoline is the mixture of hydrocarbon obtained from the crude. It is also called petrol. The…

Q: What mass of Ca(OH)2 will react with 25.0 g of propionic acid to form the preservative calcium…

A: The mass of the calcium hydroxide produced from the given reaction is to be mentioned.

Q: 12.A nonstoichiometric mixture consists of 1 mol of glycerol and 5 moles of phthalic acid. Can…

A: It is to be shown whether gelation takes place or not for the given mixture.

Q: What is the ideal air-fuel ratio in terms of volume for methane CH4

A: The ratio of air and the ratio of the fuel in combustion is an air-fuel ratio. The ideal air-fuel…

Q: How many mL of 0.256M Al2(SO4)3 must be added to 175 ml of 0.154M Mg3(SO4)3 solution to make a…

A: Given, M1=0.256M, V1=V mL  Moles of SO4-2 in Al2(SO4)3= M1V1*3 Moles of SO4-2 in…

Q: The sample of Ax, is a B emitter, has an activity of 0.1 pCi. In 17 days, the activity of the sample…

A: Given: Initial activity is 0.1 μCi, activity after 17 days is 0.0625 μCi Half life in days ?

Q: A 1.000 gm. Of a sample of mixture which containing only NaCl (58.5) and KCl (74.5) precipitate of…

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Q: Q: What is the molality of 68g [ H2CO3] added to water for produce solution density (0.86 glml) and…

A: Given that, Solute - H2CO3 Solvent - Water Mass of H2CO3 = 68 g = 0.068 kg Density of solution ρ =…

Q: The organic group with a general formula R-(SO2)-R are called O A. sulfoxides O B. sulfides O C.…

A: Given: The organic group with general formula            R-(SO2)-R are called O A. sulfoxides O B.…

Q: In the polycondensation of H2N(CH2)6NH2 and HOOC(CH2)4COOH, in equimolar quantities, to form…

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Q: What mass of sodium carbonate is required for complete reaction with 3.85 g of nitric acid to…

A: The reaction between sodium carbonate and nitric acid to produce sodium nitrate, carbon dioxide, and…

Q: When iron rusts, it combines with oxygen to form iron () oxide according to the following unbalanced…

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Q: Many bleaches, including chlorine and its oxides, oxidize dye compounds in cloth. Predict which of…

A: An oxidizing agent is a species which is reduced. A species with more positive reduction potential…

Q: Identify the total number for the molecule of an element NO H₂O Na H₂O H₂O 0₂ 0₂ CO 0₂ CO₂

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Q: For a basis of 100 moles of Aromatics, the component balance for benzene can be written: ? = 0.05F +…

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Q: the balanced equations for the reaction of metallic iron with 02 gas to produce iron(||I) oxide is…

A: Given reaction is: 4Fe (s) + 3O2 (g) →2 Fe2O3 (s) Mass of Fe = 2.0 g Molar mass of Fe = 55.845 g/mol…

Q: Which alcohol will form the most stable carbocation? CH3 a) CH;CHCH2OH CH3 b) CH—CОН CH3 c) - OH d)…

A: Give: Which alcohol will form the most stable carbocation? Select the correct answer.

Q: 13) Name the following chemical compounds? NH2 CH;CHCH,CHO `OCH3

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Q: A solution contains 1.50×10-2 M zinc acetate and 6.47×10-3 M nickel(II) nitrate. Solid sodium…

A: Given data: Solution contains 1.5×10-2 M Zin acetate  and 6.47×10-3M nickel(II) nitrate. Sodium…

Q: For a condensation polymerization between a dibasic acid and a glycol, a material enginee uses 25…

A: Polymerization is a technique in which number of repeating units known as monomers.

Q: (b) The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules…

A: Mass of sample O3 = 0.018 g  Mass of CxH6 = 0.06085 g  Atomic mass of oxygen = 15.99 g/atoms Number…

Q: Give the formula of the conjugate base of H2PO4–.

A: Conjugate base : according to the Arrhenius theory, the substance which donates hydrogen ion (H+) is…

Q: Naturally occurring magnesium has the following isotopicabundances: (a) What is the average atomic…

A: Given that element = Mg, With three isotopes.Mg-24, Mg-25 and Mg-26. The percentage abundance are:…

Q: Polymerization of PET occurs by the condensation of i. Terephthalic acid: ii. And ethylene glycol:…

A: PET /Polyethylene terephthalate is also known as Terylene or Dacron. It is formed by the reaction of…

Q: All of the following statements are true for steam distillation except: A It is used to extract…

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Q: Calculate EA for the following reactions: (i) n-butane = isobutane (isomerization) (ii) n-hexane ⇒…

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Q: 9:21 X Corr Q1.PNG ■LTE Calculate the corrosion rate of iron in oxygen-free acid, pH = 3; if the…

A: The corrosion rate of iron in oxygen-free acid (pH = 3) is approximately 1.112×1032…

Q: How much KCio, is needed to make a saturated solution at 90°C?

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Q: One (1) MeV is equivalent to O 6 x 1023 atom O 1.66 x 10-27 kg O 1.6 x 10-13 J O 3.0 x 10° m/sec

A: Given: 1 MeV is equal to___ Select the correct answer

Q: Q1 :- prepare a standard solution of a Sodium Chloride (NaCl), 0.2 N in 250 ml of water. (atomic…

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Q: Consider 100 g sample at 60% weight of Zn which is at 300°C.  What is the mass Zn in the solid…

A: Given data: Amount of sample = 100 g Composition of Zn = 60 wt % Temperature = 300 0C

Q: 12 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation:…

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Q: What is meant by ‘water of crystallisation’ of a substance ?Describe an activity to show that blue…

A: All salts dissolve in the solution according to their solubility in the given solvent. At the given…

Q: from perry's Table 2-194 and србон handbook specific Element g Inoutganic Compound 7.70+ 0.00530T-0.…

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Q: Site sample problem of unsaponifiable matter, and show the complete solution using this formula.

A: A sample problem is to be prepare and unsaponifiable matter is to be calculated in percent.

Q: What is the molality of a solution containing 7.89 g of urea (NH);CO] in 231.5 g of water?

A: Molality= moles of solute/weight of solvent in Kg

Q: A solution contains (ethanel and (sucrose). If the mole fraction of ethanol is (0.15) and that of…

A: Mole fraction of the ethanol in the solution, xe=0.15 Mole fraction of sucrose in the solution,…

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.