Question 18. What functional groups must the monomers have, to form a polyester? two carboxyl (2COOH) groups O a hydroxyl (20H) group and a carbonyl (2C,0) group a hydroxyl group and a carboxyl group a carboxyl group and a carbonyl group Question 19 What type of polymer is produced by the reaction of the two compounds in below. NH, -CH,CH,CH, NH, HO- CCH,CH,CH,"–OH a monopolymer an addition polymer a polyester O a polyamide Question 20 The polyamide linkages in nylon also occur in amino acids plasticizers polyethene O proteins

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A: The Arrhenius equation is k = Ae^(-Ea/RT), where A is the frequency or pre-exponential factor. 

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A: Molar solubility = solubility / molar mass

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Q: Calculate the number of hydronium ions in 51.70 ml. of an aqueous solution with a pll of 10.8. numbe...

A: Given- pH=10.88 Volume =51.70mL=0.0517L  Number of hydronium ion=?      

Q: Consider the following data on some weak acids and weak bases: acid base K. name formula name formul...

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A: A functional group is substance or moiety in a molecule that cause the effect.

Q: + 'CI

A:

Q: 1. LAH `NH2 CH3CHO 2. HаО

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Q: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the react...

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Q: Volumetric glassware must be dry prior to usage. It can be placed in laboratory oven to be dried qui...

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Q: Which is the product of oxidation of CH3CH2CHO?

A: Given :- CH3CH2CHO + [O] →  To identify :- product formed in above oxidation reaction 

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Q: On the basis of Kc for the following reaction, would you expect nearly complete reaction at equilibr...

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Q: Give three objects in your home that are considered as organic compounds. Identify whether it is an ...

A: Home used objects : 1)LPG gas  2) Polythene  3)Fruit juice  4) perfumes  

Q: N29) + 3 H2(g) →2 NH3(g) AG°rxn = -16.5 kJ mol 1 Determine the Gibbs free energy of reaction, AGxn: ...

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Q: Determine the osmolarity of 7.0 × 103 M Na PO4. Enter your answer in scientific notation. Be sure to...

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Q: Calculate the molarity, M, of KCl when 2.65 g KCl are dissolved in 2.50 ×x 10° mL of solution. Enter...

A: Given- Weight of KCl= 2.65g Volume of solution=2.50×10^3 mL=2.50L Molarity of solution=?

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A: We have to predict the nature of molecules.  

Q: V Kc 7.30 0.959 0.650 8.16 1.062 3.49 11.33 0.688 3.35 1.734 0.700 3.24

A: A)                                          CHCl2COOC5H11  ⇔  CHCl2COOH   +   C5H10  Initial  moles ...

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Q: Does a reaction occur when aqueous solutions ofsodium hydroxide and calcium acetate are combined   ...

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Q: For the following example, identify the following. H20(1) - H2O(s) OA negative AH and a negative AS ...

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Q: Déčidé whéther each molecule or polyatomic IC éách móléčulé or polyatómic io is polar or nonpolar. I...

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Q: What is the pH of a 0.40 M ammonia solution? Ka is 5.6 X 10-10 11.43 O 2.57 O 9.18 O 4.82

A: Ka = 5.6 x 10 —10  

Q: Nonpolar aromatic compounds were separated by HPLC on an octadecyl(C18) bonded phase. The mobile pha...

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Q: Consider the reaction: 2NACI + CaC03 + Na2CO3 + CaCl2 Write the equilibrium expression for this reac...

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.

Q: What is the value of Ksp for Cr(OH)3 if the molar solubility for chromium (III) hydroxide was determ...

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Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

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Q: Alcohols having fewer than six carbons are soluble in water.   Question 27 options:   False   Tru...

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Q: list the different types of compounds (such as binary covalent, binary ionic, binary acid, ternary (...

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Q: One liter of a 1M NaCl solution has less Na molecules than K molecules in one liter of a 1M KCI solu...

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Q: Calculate the concentration of dissolved sulfate ion in solution if 75.0 mL of a 0.0250 M Ba(NO3)2 a...

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Q: Above what Fe² + concentration will Fe(OH), precipitate from a buffer solution that has a pH of 9.74...

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Q: Sodium sulfate is slowly added to a solution containing 0.0500 M Ca² +(aq) and 0.0370 M Ag*(aq). Wha...

A: Given that : Concentration of Ag+ = 0.0370 M Ksp of CaSO4 = 4.95 x 10-5 Ksp of Ag2SO4 = 1.20 x 10-5

Q: o-dichlorobenzene and p-dichlorobenzene can be separated by TLC. Which compound is more polar? Which...

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

A: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

Q: Which is dimethyl ether?   Question 13 options:   CH3CH3CO   CH3-O-CH3   CH3OH   CH3-CH2-O-CH2-...

A:

Q: A 0.217 gram sample of a diprotic acid requires 14.1 mL of 0.100 M NaOH to titrate the acid to its f...

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Q: These are practice questions. Please help! Thanks.

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Q: Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution):...

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