How many signals would be present in the ¹HNMR? 2 0 3 02 01

Q: 4.7 Aniline can be synthesized from benzene by using correct synthetic schemes. Choose one scheme…

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Q: I. Draw the open-chain form for each of the following monosaccharides. CH OH HO OH HO CH₂OH OH OH он…

A: The OH group present at right side must be present below the plane in cyclic form . In aldehyde…

Q: Complete the following solubility constant expression for ZnCO3. Ksp = 0 X 00 G 00

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Q: Complete the following solubility constant expression for CaCO3. K = sp X 00

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Q: Define the reducible representation for the vibrational modes for the P-Br stretches. Note if they…

A: Point group is D3h. D3h E 2C3 3C2 σh 2S3 3σv     A'1 1 1 1 1 1 1   x2 + y2, z2 A'2 1 1 -1 1 1…

Q: Xylometazoline hydrochloride paediatric nasal drops are formulated as a 0.05% w/v solution. What…

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Q: A particular sample of vinegar has a pH of 2.70. ▾ Part A If acetic acid is the only acid that…

A: Acetic acidCH3COOH is the only acid that vinegar contains. Ka of acetic acis is 1.8×10-5 and the…

Q: At constant pressure, which of these systems do work on the surroundings? A(s) + B(s) C(g) 2 A(g) +…

A: When a system does work on the surrounding, the system undergoes expansion in volume.  Since the…

Q: A solution contains 1.37x10-2 M zinc nitrate and 1.29x10-2 M barium acetate. Solid sodium carbonate…

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Q: A solution is prepared at 25 °C that is initially 0.15M in benzoic acid (HCH,CO₂), a weak acid with…

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Q: A sample in a 1cm cuvette gives an absorbance reading of 0.6. If the absorptivity for this sample is…

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Q: Propose a feasible synthesis for 2-iodo-4-methylphenolfrom2-amino-4-methylphenol. Draw the reaction…

A: Propose a feasible synthesis for 2-iodo-4-methylphenol from 2-amino-4-methylphenol. The given…

Q: Percent ionization for a weak acid (HA) is determined by the following formula: [HA] ionized [HA]…

A: we have to calculate the percent ionization

Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: According to Arrhenius concept, an acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: A solution contains 0.171 M ammonium iodide and 0.339 M ammonia. The pH of this solution is

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Q: What volume in mL of 0.300 M NaF would be required to make a 0.0355 M solution of NaF when diluted…

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Q: Balance the following chemical equations (include the states of matter): The reaction between…

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Q: Complete the following solubility constant expression for PbCO3. K = sp 0 X

A: Solubility product constant is expressed as Ksp and it is equilibrium constant for a solid substance…

Q: in the nitrate test, which of the following would not produce a red color at all during test…

A: A chemical test called the nitrate test is performed to determine the presence of nitrate ion in any…

Q: 200.0 mL of a 0.800 M solution of KCl is diluted to 600.0 mL. What is the new concentration of the…

A: Given :  Initial concentration of KCl = 0.800 M  Initial volume of KCl = 200.0 ml  Final Volume of…

Q: 4.3 The major product/s that form/s during the nitration of benzenesulfonic acid is? choose the…

A: Nitration reaction :

Q: What is the approximate concentration of free Al³+ ion at equilibrium when 1.06x10-2 mol aluminum…

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Q: What is the net ionic equation  ?

A: Given : chemical reaction Tip : first dissociate into ions then cancel common ions

Q: For phosphoric acid, H3PO4, the Ka, = A. [PO][H¹+³ / [H₂PO4] B. [HPO][H] / [H₂PO4] C. [H₂PO.¹][H] /…

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Q: Draw the major product of the reaction sequence shown.

A: The carbonyl compound reacts with alkyl lithium to form alcohol. Ketone reacts with alkyl lithium by…

Q: Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen…

A: •   Empirical Formula from Combustion Analysis: In a combustion analysis apparatus, a sample of an…

Q: Part M Complete the fourth row of the table. Express your answer using two decimal places. pH =…

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Q: (a) What is the concentration of hydrogen at the low-pressure (or B) side in wt%? CH(B) = i 4.65E+3…

A: Given data :

Q: Calculate the approximate enthalpy of the following reaction using the data below. 6 "C" atoms…

A: Enthalpy change = Sum of bond Enthalpies of reactants - Sum of bond Enthalpies of products

Q: What is the order in which the H1 NMR singals would appear (from most downfield to most upfield) ?…

A: 1Hnmr spectra provides the information of hydrogen environments of the unknown compound. The factors…

Q: What is the error in the answer to the following? a) (22.10 ± 0.01) + (37.51 ± 0.02) = b) (30.88 ±…

A: The rules to addition: z+∆z =(x±∆x) + (y±∆y) z = x+y∆z = ∆x+∆y The rules of subtraction z±∆z =(x±∆x)…

Q: What is the oxidation number of Fe in Fe(NO3)3? If the oxidation number is positive, just write the…

A: Oxidation number of the atom can be identified by considering the oxidation states of other anions.

Q: 7.46 Identify the conjugate pairs in the following acid-base reaction: HJw HSO3 (aq) + HSO4 (aq) →…

A: In acid-base reaction, when an acid donates a proton, the acid gets changed into a base, and when a…

Q: You have a solution of common table sugar fully dissolved in water(Sucrose- C22H22O11). You take an…

A: When light is passed through a solution, the particles in the solution absorb some part of the light…

Q: For the reaction: 2 A (g) + B (s) ⇌ 2 C (s) + D (g) At 298 K in a 10.0 L vessel, the equilibrium…

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Q: The specific heat of water is 4.18 J/(g⋅∘C). Calculate the molar heat capacity of water. Express…

A: Molar heat capacity is the amount of heat required to raise the temperature of 1 mole of substance…

Q: Complete the second row of the table. Express your answer using two significant figures. [H+]=…

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Q: 1. Draw the open-chain form for each of the following monosaccharides. CH OH HOOH НО CH₂OH OH OH Гон…

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Q: A 1.0-liter solution contains 0.25 M HF and 0.41 M NaF (Ką for HF is 7.2 x 10-4). What is the pH of…

A: Ka =  7.2 x 10 —4 [HF] = 0.25 M [NaF] = 0.41 M

Q: PARLO Draw the major products obtained from heating each of the following others with one equivalent…

A: Ethers reacts with HI to give alcohols and alkyl iodides.  When primary and secondary alkyl groups…

Q: 3.11  mL of seawater contains about 1.31×10-14  moles of gold, how many atoms of gold are in that…

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Q: 89. At 700 K acetaldehyde decomposes in the gas phase to methane and carbon monoxide. The reaction…

A: The explanation is given below-

Q: 1. Draw the open-chain form for each of the following monosaccharides. CH OH Но он HOCH он HO он он…

A: Six membered ring containing monosaccharide is called pyranose form of the monosaccharide. Five…

Q: what is the actual model for enzymes and explain the relation between them. transition state model…

A: The actual model for enzyme is induced fit model . Lock and key model is a model for enzyme -…

Q: Exercises 1. Which compound has the higher boiling point, CH₂CH₂CH₂CH₂CH₂NH₂ or CH₂CH₂CH₂CH₂CH₂CH₂?…

A: For compounds with comparable molar masses those compounds where there is H bonding or any such…

Q: What type of reaction is described by the following chemical equation   3Zn            +…

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Q: What is the equilibrium Ag+ concentration when 2.48 L of a 0.160 M silver acetate solution are mixed…

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Q: HC,H,O,(aq) +K,CO3(aq)→H,O(1)+CO2(g)+KC,H,O2(aq) Express your answer as a chemical equation…

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Q: What are the units of an amount taken as a log. For instance, we were asked to plot a standard curve…

A: "Log" of any value is constant, however we can take "log" of any positive value having any unit.

Q: What is the concentration of lithium ions in 0.190 M Li₂HPO₄?

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