Molecular weight of a condensation polymer hardly increases if the reaction is stopped either at 45% conversion or at 80% conversion, respectively. - Explain

Q: The carboxylate may still decarboxylate in the environment of the enzyme active site. - The carboxyl...

A: According to the question, the organic chemist decarboxylates beta-ketoacids at acidic pH values. In...

Q: С. B. :01 :CI;

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Q: Given below are two elementary steps for a reaction mechanism. Choose the correct form of the Kc for...

A: Add the two elementary steps for reaction mechanism to find the net reaction and then write the expr...

Q: Reversed phase HPLC refers to the condition of stationary phase and a mobile ph separation. Select t...

A: Given : We have to choose the correct statement for reverse HPLC.

Q: What is the splitting for Hc in the following molecule? Hc CI HE H. H. H. O- HA HB нн HE HG HH H H

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Q: Please answer with detailed mechanism, otherwise I'll downvote

A: Here we have to write the major product formed and mechanism of reaction.

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0074 s...

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Q: Select the compound that shows an IR absorption near but just above 3000 cm".

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Q: Using the provided table, determine the molar enthalpy (in kJ/mol) for the reaction 2 NH, (g) + 3 N,...

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Q: You dilute 6.50mL of a 0.987 M solution to a final volume of 50.00mL. Then, you take 25.00 mL of tha...

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Q: Column resolution is an indicator to identify the selectivities and efficiencies of the column abili...

A: Coloumn resolution is an indicator to identify selectivities and efficiencies of coloumn ability to ...

Q: Select all that apply. When is D2O used in Nmr experiments?  1. It can be used anytime  2. When c...

A: Various solvents like chloroform, Carbon tetrachloride can be used in the nmr spectrosopy.  Also D2O...

Q: Carbon dioxide and water react to form methane and oxygen, like this: CO,(9)+2H,O(9) - CH(g)+20;(9) ...

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Q: Indicate what kind of bonding orbital is formed when the following atomic or hybridized atomic orbit...

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Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

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Q: A favorite reaction is calcite dissolution: CACO36) -→ Ca?+ + CO??- K = 10-83 Will the solid form or...

A: ANSWER : (a) Solid will be formed as we approach vent deep in the pacific Ocean. (b) Concentration o...

Q: What are the signs for q and w if a system absorbs 180 J of heat energy while expanding against cons...

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a the...

Q: You use 500.0g of a solid to prepare a solution that has a concentration of 7.40% by mass. What is t...

A: Given: Mass of solid solvent = 500.0 g. Concentration of solid in %(m/m) = 7.40 %  

Q: Nitrous oxide, N,0, has a mass ratio of nitrogen to oxygen of 1.00:0.57. Determine the ratio by mass...

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Q: Solve for the value of the rate constant, k. 00.78M/s=K[0.12] to the second order.

A: Rate constant,k= 54.17 L mol-1 s-1

Q: Determine the structure of an alcohol with molecular formula C,H14O that exhibits the following DEPT...

A: In a DEPT-135 spectrum signals from CH2 will be negative, while CH and CH3 will be positive. There w...

Q: Consider this reaction: 2N,0, (g) → 2N,0, (g)+O, (g) At a certain temperature it obeys this rate law...

A: The rate law for the given reaction is as follows: rate = 3.0 M-1.s-1 N2O52The rate law states that:...

Q: In 1808, John Dalton proposed a series of statements regarding the atom that became known as Dalton'...

A: Given, Five statements of Dalton's atomic theory is given -     Required,                   Among fi...

Q: Differentiate between gel filtration and gel permeation chromatography.

A: Given : We have to tell what is the difference between gel filtration and gel permeation method.

Q: Given the Newman Projection, convert it to the skeletal form and provide the IUPAC name: H CH, CH, H...

A: 1. There are two carbons place one behind the other. 2. The circle represents the later (back) carbo...

Q: wavelength, micrometers 2.6 2.8 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 12 13 14 1516 100 80 60 40 3800 3400...

A: The given spectrum is corresponding to cyclohexane (option A).

Q: Calculate the equilibrium concentrations of A (in M), if only C is present initially at a concentrat...

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Q: O, N and S atoms have lone pairs and can thus serve as Bronsted-Lowry or Lewis base. Which atom in t...

A: O, N and S atoms have lone pairs and can thus serve as Bronsted-Lowry or Lewis base. 

Q: b) Predict the type of interference caused by the formation of metal ion-anion compounds which are d...

A: A question based on analytical process that is to be accomplished.

Q: . Reversed phase HPLC refers to the condition of stationary phase and a mobile phase of separation. ...

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Q: Select the pair of compounds that CANNOT be distinguished by their IR spectr. O A. CHCI3 and CCI4 ОВ...

A: IR spectroscopy is branch of chemistry in which we identify the unknown compound on the basis of IR ...

Q: Retention time can be used to identify a compound in a mixture using gas chromatography. Choose a pa...

A: We have to tall which parameter will not affect the retention time of a compound in a gas chromatogr...

Q: When the potential energy is zero the two atoms are/have O far apart O started to overlap sufficient...

A: Please find your solution below : The potential energy of the atoms in terms of of the their positio...

Q: The following organic solvents were used in reversed phase HPLC analysis. Propose the elution order ...

A: Reverse phase chromatography uses organic stationary phase  which is less polar than mobile phase an...

Q: What stretching frequencies (in cm-1) are present in the structure below? N. 3100 all of these none ...

A: This question is related to IR spectrum. IR spectrum helps us to identify several functional groups ...

Q: please calculate Pka value

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Q: Which of the following sets of atomic orbitals will form a pi bond? s+ px O px + px O py + py s+ pz

A: Interaction between two atoms results yhe formation of a chemical bond between them. By this , two o...

Q: 9. Calculate the standard electrode potential for the aqueous couple [Fe(ox):]*(aq)/[Fe(ox):]+(aq) f...

A: In the first step we have to calculate E0 for rest two reaction where K value is given.

Q: Q.4: Draw the amorphous and crystalline phase in one microstructure. What is the effect of crystalli...

A: The structure of amorphous and crystalline phase is given below,

Q: Complete the following sentence by typing a number in each of the answer boxes. HO. Not considering ...

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Q: Consider this reaction: CICH,CH,CI (g) - CH,CHCI (g) + HCI (g) At a certain temperature it obeys thi...

A: Please find your solution below : A first order reaction is a chemical reaction in which the Kinetic...

Q: A chemistry student needs 5.00 g of acetic acid for an experiment. She has available 250. g of a 15....

A: Given,  250 g of a 15.8% w/w solution of acetic acid in ethanol. And 5.00 g of acetic acid is needed...

Q: All the following statements are true about sigma bond EXCE O The electron density is high in the re...

A: Sigma bond : It is the strongest covalent bond formed by head on overlapping of atomic orbitals.

Q: Plastic sulfur is composed of a) S8 molecules c) S2 dimers b) Sx polymers

A: Please find your solution below : Plastic sulphur is also known as amorphous sulphur. It is a form o...

Q: Describe the sample properties that would be suitable for; i) Gas chromatography (GC) analysis ii) H...

A: i) Gas chromatography (GC) analysis = The properties of the sample that would be suitable for the gi...

Q: Explain the difference of an operational principle between flame atomic absorption spectroscopy (FAA...

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Q: Write the IUPAC names of the following organic compounds if given the structure. Draw the organic co...

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Q: The most electronegative element on the periodic table is: fluorine carbon O helium neon O hydrogen ...

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Q: What is the enthalpy of the reaction P406 (s) + 202(g)→P4010(s), given a) P4(s) + 302(g)→P406 AH = -...

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Q: How many liters are needed to make a 3.5M solution of KBr if 9 mole of KBr are available for use?

A: Molarity is defined as number of moles of solute divide by volume of solution