Which of the following pairs of compounds can be used directly for the synthesis of a step-growth polymer? O The following pair of compounds: NH₂ CI H₂N O The following pair of compounds: NH₂ HO H₂N The following pair of compounds O The following pair of compounds: OH HO. O The following pair of compounds H HO HO OH OH OH

Q: Provide the complete mechanism (arrow, lone pairs, formal charges) for the following 0- CH₂CH₂OH a…

A: ->There is alcohol group in the given compound hence, there occur intramolecular reaction first…

Q: c. Describe the coupling pattern (i.e. doublet, triplet, doublet of doublets, etc.) for the peak at…

A: Solutions- Coupling pattern is the doublet, triplet,   the 1H NMR spectrum was obtained on a 300 MHz…

Q: Draw the structure of the major organic product of the reaction shown. Select Draw KMnO heat H C…

A: In this question we have to tell the major organic product of the reaction.

Q: An aqueous copper(II) sulfate solution is electrolyzed for 30 minutes. A 3.0 ampere current is used.…

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Q: Balance this redox equation using the half-reaction method Cr2O72- +Br1- = Cr3+ + Br2 Is it a…

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Q: Match each molecule with a shape. H2S…

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Q: In which part of the UV-Visible spectrum are these - * excitations expected to be observed?

A: To describe in which part of UV-Vis spectrum does the given π→π* transitions occur.

Q: Prelaboratory Assignment for Paper Chromatography 0 The 1 SAYIY

A: Note : Compound A is more soluble in mobile phase. Therefore compound A is less polar and having…

Q: Problem 21.13 Draw B-D-galactopyranose and 3-D-mannopyranose in their more stable chair…

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Q: Example 5. Give the number of unpaired electrons in the fol- lowing: (i) Cr²+ (Z = 24) (iii) Mn²+ (Z…

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Q: All of the following have the dame Hf except: a) H2 (g) b) C(s) c) H2O (l) d) Fe(s) e) N2(g)

A: Heat of formation (∆H°f) :-  The amount of heat released or absorbed when one mole of a substance is…

Q: A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 × 10²7 g. Use this information to…

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Q: Which of the following thermochemical equations represents the formation of liquid sulfuric acid?…

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Q: What is the weight/volume percent (w/v%) of sugar in soda? Assume the average mass of sugar in soda…

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Q: Part A Provide an acceptable name for the compound shown below. xx Spell out the full name of the…

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Q: Using Hess's Law determine the delta H for the formation of phosphorous pentachloride  Note if the…

A: reaction for which the overall ΔH⚬ is negative is exothermic. When it is positive the it is…

Q: A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is…

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Q: Depth Depth Concentration Concentration A Depth Depth Concentration Concentration B C D Assign the…

A: PCBs or polychlorinated biphenyls are manmade Chemicals. They are oily liquids or solids.

Q: Determine if the redox reaction of iron and water to form ferric chloride is spontaneous at 29°C.…

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Q: Calculate the entropy of HBr at 298 K and 1.00 bar, given that the bond length is 1.41 Å and the…

A: Srot=R ln 8π2IkBTσh2+R                                (1)

Q: 9. H3C-C -CI + NaBr

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Q: A cell is constructed by immersing a strip of silver in 0.10 M AgNO 3 solution and a strip of lead…

A: Given: Cell prepared by AgNO3/Ag and Pb(NO3)2/Pb halves. And the concentration of Ag+ (from AgNO3 )…

Q: 18. What reagent(s) are suitable to carry out the conversion shown? OH OH A. 1. OsO4, NMO; NaBH4,…

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Q: Determine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. Chemical Equation: S+…

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Q: Determine if the redox reaction of iron and water to form ferric chloride is spontaneous at 29°C.…

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Q: Consider this reaction: At a certain temperature it obeys this rate law. rate = (0.988 M¹-s ¯¹)…

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Q: if 25.0g of NaOH is added to 0.750L of 1.00M Cd(NO3)2 how many grams of Cd(OH)2 will be fromed in…

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Q: For how many minutes would 10.00 A of current need to flow to produce 5.0 × 10 4 C? a. 5000 minutes…

A: Given that, Charge Q=5.0×104 C Current i = 10.00 A time t= ?

Q: Considering the carrosion of ferrous metal (containing iron) metal, which of the following…

A: Corrosion is a reduction-oxidation process in which metal is oxidized by the oxygen in its…

Q: 6. CH₂ H OH OH 1. HIO --7 H₂0, THE

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Q: Check all the possible ways by which the AS univ associated with a chemical reaction can be…

A: To identify: The ways which will give positive ΔSuniv.

Q: Which one of the following processes produces a decrease in the entropy of the  system?  A. boiling…

A: 4) A. boiling water to form steam  There is increase in entropy in this process.

Q: Fill in the molecular orbitals for the F2 molecule.  What is the bond order for the F2 molecule?

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Q: Example. 6.3.How much heat has to be added to a solution of 1 g mol of HC1 in 10 g mol of H₂O to…

A: Given: Inital concentration of HCl = 1 g mol HCl in 10 g mol water. And the final concentration of…

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

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Q: 14. Calculate and compare [H₂O"] and pH for a 0.10 M solution of HCI (a strong acid) and a 0.10 M…

A: Acid are compound which releases hydronium ion when dissolve in water  We are required to compare…

Q: Q. 1. In the laboratory of chemistry, nickel was estimated gravimetrically by a student. He…

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Q: SO₂(g) + NO₂(g) = SO3(g) + NO(g) If all four gases had initial concentrations of 0.650 M, calculate…

A: Given : Initial concentration = 0.650 M

Q: Write balanced reaction equations for both acid hydrolysis reactions of the weak diprotic acid 8-…

A: The acid given is,

Q: voltaic cell is constructed with one cell consisting of an Cd electrode in 1.0 M Cd 2+ and another…

A: Given-> [Cd2+] = 1.0 M [Sn2+] = 1.0 M ->Cd electrode losses mass , Sn electrode gains mass.

Q: 3. Given: Soda and lime are added to a glass batch in the form of soda ash (Na₂CO,) and limestone…

A: We have to calculate the weight of soda ash and Limestone that must be added to 110 lbm of SiO2 to…

Q: What is observed with the values of Ksp?

A: The data given is,

Q: What type of eliminaton reactions occur in this process? Br Br Two E2 reactions Two E1 reactions An…

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Q: Is possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium tartrate? Please…

A: To explain: Is it possible to make a buffer pH 4 at 1mM using methanesulfonic acid and sodium…

Q: A. ENDOTHERMIC AND EXOTHERMIC REACTION: Decide whether each of this reaction is exothermic or…

A: Given,

Q: A certain half-reaction has a standard reduction potential E+0.95 V. An engineer proposes using this…

A: Answer: Standard cell potential of a galvanic cell is: E°cell=E°cathode-E°anode   Given data:…

Q: Consider the reaction: N₂(g) + 20₂(g)→→2NO₂(g) Using standard thermodynamic data at 298K, calculate…

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Q: Calculate the [H] and pH of a 4.73 x 10 M iodoacetic acid solution. The K, of iodoacetic acid is…

A: Given : Concentration of iodoacetic acid = 4.73 x 10-4M

Q: benzaldehyde 9 H ethyl formate -OCH₂CH3 1. pyrolidine O 2. 3. H₂O* 8 10 ya ii + excess benzaldehyde…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: All polysaccharides consist of sugar monomers joined together by O a. ester linkages O b. amide…

A: Linkage between sugars in all polysaccharides.

Types of Polymers on the basis of Method of Preparation