pH has an effect on the this/these mode/s of chromatography

Q: In the case of ligand substitution at square planar platinum(II), which is the stronger trans effect…

A: Trans effect is a kinetic effect, that is in square planar complex how a ligand trans to the leaving…

Q: A 25.00 mL sample of methanoic (HCHO2, Ka = 1.8 x 10-4) is titrated to the equivalence point using…

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Q: 5. Draw a plausible mechanism for the following reaction. For full credit, show all intermediates,…

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Q: How many milliliters of 10.0 M HCl(aq) are needed to prepare 920.0 mL of 1.00 M HCl(aq)?

A: • The values provided in the question are:-       i) Initial concentration of HCl solution, M1 =…

Q: A nitrate solution containing an unknown cation is added to each of the following three test tubes.…

A: The cations and anions can be identified based on the different types of chemical test. Each ion in…

Q: For many purposes we can treat methane (CH) as an ideal gas at temperatures above its boiling point…

A: Given,  The volume of methane ( CH4 )when the temperature raise from 48.0 °C to 96.0 °C and it's…

Q: Which chemical equation below is balanced?   EQUATION A:  HCl(aq) + Ca(OH)2(aq) ----> H2O +…

A: In a chemical equation, reactants are present on left side and products are present on right side of…

Q: NH4HS(s) NH3(g) + H₂S(g) K = [NH3][H₂S] K = 1.2 x 10-4 What is the concentration of the H2S when the…

A: As Both H2S and NH3 are equimolar and both are gas so both will have same concentration.

Q: bel the three bold hydrogens in compounds A, B, and C in order of acidity, with 1 being the most c…

A: Acidity can be defined as tendency of a compound to lose hydrogen ion.

Q: Predict/draw the major product of the reaction shown in the picture:

A: The aromatic compound reacts with bromine from bromo arenes. The reaction proceeds by the aromatic…

Q: 38² F2 CH Ac TH Cl Be UO NO S 1s G Pr b H G 17 C Sc G 5 o M Question 19 of 48 Provide the IUPAC name…

A: While giving the iupac name, choose the longest parent carbon chain.

Q: 6 6 7 6 4 6 In the first reaction of the Krebs cycle, citrate (CHO) turns into aconitate (CH₂O)…

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Q: 6. Upon operation of the hollow cathode lamp at high current the intensity of the produced beam…

A: The operation of the hollow cathode lamp is in the following fashion: i) The positively charged…

Q: TRUE OR FALSE. 1. A solution of D-glucose will readily react to the different carbonyl groups test,…

A: Given statements are :  1. The solution of D-glucose readily react to the different carbonyl groups…

Q: Intraveneous medications are aqueous solutions that are administered directly into a vein. Some…

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Q: I  need to know what the last 3 sub parts are if their acid base or not

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Q: A) sp B) sp² C) sp³ D) sp4

A: Propyne is an alkyne . alkynes have triple bond in it . We can easily find hybridization of Carbon…

Q: Liquid oxygen can be produced for use as a rocket fuel by cooling dry air to -183°C, where the O₂…

A: Given , Volume of O2 produced = 140 L temperature , T =-183°C mole fraction of dry air = 0.21…

Q: Give specific organic reactions for hydrohalogenation. Draw the skeletal or condensed structure of…

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Q: How many total electrons reside in MOs of a symmetry in the following molecule? Good hand written…

A: The two pi-bonds in a C-C triple bond are lying perpendicular to each other.

Q: The U.S. is one of several countries committed to reaching “net-zero” carbon emissions by 2050. This…

A: This step should be taken by all the countries because carbon dioxide is the main reason behind most…

Q: OTS NaOH ? A Ph. J dilute NaOH D OTS ? B NaNH, ? E NaOH ? NaOH

A: The elimination reaction will depend on the stability of the ion formed during the reaction. Higher…

Q: The reaction will shift to the right.The reaction will shift to the left.The reaction will not be…

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Q: Which one of the following is a PURE chemical substance Sea water O Selenium O Air O Paper

A: Given substances: Sea water Selenium Air Paper We have to find the pure chemical substance.

Q: A chemical engineer is studying the following reaction: HCN(aq) + NH3(aq) → CN (aq)+NH(aq) At the…

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Q: Choose the INCORRECT combination of "type of solid" and specific example. network covalent/graphite…

A: Please find your solution below : Solid is one of the states of matter that has a definite shape and…

Q: To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds 0.380M silver…

A: Given following balanced Chemical equation -  Cl-(aq) + AgNO3(aq) ----> AgCl(s) + NO3-(aq)  Also…

Q: CH₂OH/H Na 2 H₂O NaCN/H,O LIAIH4 1. CH3MgBr 2. H₂O H₂O/H30* CH3ONa _CH3OH_ NH3

A: Ring opening of epoxides takes place with different nucleophilic reagents. In acidic media, media…

Q: Calculate the osmotic pressure of a urea solution in temperature. (C 37 ) Heat %

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Q: Select the product expected for the reaction shown. H₂ 1) NaOEt 2) 4CH₂Br C EtO₂C CO₂Et

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Q: Mode of separation where the mobile phase can be composed of aqueous and organic phases. IEX NPLC…

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Q: An aqueous solution of KCI (molar mass 74.5 g/mol) has a concentration of 1.85 m. If this solution…

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Q: Consider the diagram of galvanic cell, which consists of Ag*(aq)/Ag(s) and Sn²+ (aq)/Sn(s)…

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Q: thermometer A sample of quartz, which has a specific heat capacity of 0.730 J-g¹-C¹, is put into a…

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Q: of the molecules shown can be made using the Williamson ether synthesis. Identify the ether and draw…

A: Simple as well as mixed ethers can be prepared using Williamson ether synthesis reaction.

Q: Among the butane conformers, which occur at energy maxima on a graph of potential energy versus…

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Q: IA BA H2A 34 4A 5A 6A 74 He F Ne U Be BCNO No Mg 38 48 58 68 7838 18 2e Al Si P S Cl Ar K Ca Sc Ti V…

A: In the periodic table, elements in the same group ( top to bottom ) has same number of valence…

Q: The molecule at right is the attractant in catnip. (a) How many hydrogen atoms are present in the…

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Q: OSTATES OF MATTER = Calculating mass percent composition A chemist mixes 74.9 g of water with 80.1 g…

A: Given: The mass of water in the solution  = 74.9 g The mass of 2-methylpyrazine in the solution =…

Q: 1) For the following cell at 25°C: a) Zn(s) | ZnCl₂(aq) || AgCl (aq) | Ag(s) Write the…

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Q: The composition of a hydrated sodium-salt of a chromium(III)-oxalate complex ion conforms to the…

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Q: N÷CH3 CH3 A) ester B) ketone C) carboxylic D) amide E) aldehyde

A: There are many functional group in organic compound like aldehyde , ketone ,amide , carboxylic acid…

Q: Light is emitted from a flame by elements when electrons move from the state to the state.

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Q: A mixture of 4.1 atm CO2, 2.1 atm H2, and 3.3 atm H₂O are added to a sealed 2.0 L vessel at 500 K…

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Q: Problem 7: Determine the number of valence electrons for the following elements ■ potassium ▪…

A: Valance electrons are the total no. Of electrons present in the outermost orbit.

Q: (a) OH H* (b) ОН Н 4 ? (c) OH H*

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Q: Most North American automobile manufacturers are shifting their production from gasoline powered…

A: As gasoline powered vehicles produces harmful gases like nitrogen oxides,carbon dioxide , carbon…

Q: Determine the number of valence electrons in sulfuric acid (H₂SO4) and then draw the corresponding…

A: Lewis structure: Representing the covalent bonding that indicates where the valance shell electrons…

Q: 19) Draw Fischer projections for the following molecules H C₂H5 H Cill I Je H !!!!IOH Bril Br OHC…

A: ->Meso compound are compound in which either center of symmetry or plane of symmetry present.

Q: Give specific organic reactions for hydration. Draw the skeletal or condensed structure of the…

A: Hydration of alkenes gives alcohol.