One of the most important applications of ion exchange is the separation of large molecules from small molecules? 1- true 2- Error

Q: How many moles are there in 685.58 g of Hexane (C6H14)? 0.13 O 7.97 O 13.71 O 0.07

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Q: When acetophenone, hydroxelamine hydrochloride, and sodium hydroxide are reacted to synthesize…

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Q: hp of methanol and 1-propanol are 1.331 and 1.387 respectively. Calculate the mole percentage of…

A: The mole percentage of a compound can be determined by the following relationship between refractive…

Q: . - Explain the following trends in viscosity in terms of intra-molecular and intermolecular forces:…

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Q: what is the na-me, 1/2, 01 12 = day:

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Q: the record long jump is 349.5 in. Convert this to meters. there are 2.54 cm in an inch

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Q: Cadmium(II) carbonate is a slightly soluble salt. Ksp = 5.2 x 10-12 @ 25 °C alculate the molar…

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Q: The [OH-] of a solution is 8.3 x 10-3 M. What is the pH? Report the pH to 2 decimal places. Your…

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Q: Explain properly. Draw two different diagrams of the benzene molecule. Explain what each diagram…

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Q: what chemical reactions should not be performed on Merrifield polystyrene resin?

A: In the given problem we need to speculate what kind of reactions should not be performed on…

Q: What is the number of moles of hydrogen gas in the sample

A: The number of moles of hydrogen gas can be calculated by the ideal gas equation which is given by…

Q: Use the VSEPR model to predict the bond angles about each numbered atom. HI The predicted angles…

A: VSEPR theory describes the arrangement of atoms in the space in such a way so that the interaction…

Q: Rusting steel will form Fe₂O3. However, the protective coatings of galvanized iron and stainless…

A: A question based on corrosion that is to be accomplished.

Q: How many grams of the bromate are formed when 15.0 grams of aluminum react with excess bromic acid?

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Q: Draw the structures of the amino acids formed when the tripeptide below is hydrolyzed. H3N CH₂…

A: We have find out the structure of amino acids formed when hydrolysis of tripeptide.

Q: 7. A 0.4021-g sample of a purified organic acid was dissolved in water and titrated…

A: Here we have to determine the molecular mass of organic acid if 0.4021 g of sample of purified…

Q: What structure below corresponds to 2-methyl-2-hexene? OA. (CH3)2C=CHCH2CH2CH2CH3 OB. CH3 O D. C:…

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Q: Calculate the wavelength of light emitted from a hydrogen atom when it undergoes a transition from…

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Q: The first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from…

A: Equilibrium constant is ratio of concentration of products to concentration of reactant.

Q: product of Dehydration using sulfiric acid

A: Given compound is a secondary alcohol, which give dehydration Reaction in presence of sulfuric acid.…

Q: The ascending order (from least to greatest) of acidity of the following compounds is: plan باد ملهه…

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Q: Give the IUPAC name

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: QUESTION 15 Provide the reagents necessary to carry out the transformation shown below. CO₂H OH

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Q: Calculate the pH of each solution given the following. [H3O+]=9×10−6M  Express your answer using…

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Q: The first experiment you will do in chem 432 is called a Fischer esterification. In 2 sentences or…

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Q: How many mL of 1.25 M HCl would react fully with 15.25 mL of 0.836 M Ca(OH)2. 2 HCl + Ca(OH)2 ——…

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Q: Answer the following questions based on the reaction below. At 213 K, the rate constant for this…

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Q: 5) A certain compound has the following percent composition: 57.1% C, 4.8% H, and 38.1 % O. If the…

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Q: NOT a valid IUPAC name of an alkene? A. 3-methyl-2-nonene OB. 1-propene OC. 3-methyl-3-hexene OD.…

A: 31) The IUPAC name of the alkene which is not valid is

Q: True or False Leaching of PbCl₂ is ensured when known solution of Group I cations stays hot.

A: Please see explanation.

Q: How much energy(kJ) is released when 3.50 moles of O2(g) react with iron?

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Q: Consider the disaccharide sophorose. 7 ОН sophorose ОН н 5 ОН What monosaccharides are formed when…

A: We have to draw the products of hydrolysis of the given structure

Q: 8 01:17:17 The Ka for the weak acid HA is 6.53 x 10^-7. Calculate the Kb for conjugate base A at…

A: Given: The Ka for the weak acid HA = 6.53 × 10-7 We have to calculate the Kb for the conjugate base…

Q: How many moles of water, H2O, are present in 75.0 g of H2O?

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Q: 9. Calculate AH., for the chlorination of methane to form chloroform. rxn C-H (413 kJ/mol), Cl-Cl…

A: Given :  B.E(C-H) = 413 KJ/mol  B.E(Cl-Cl) = 243 KJ/mol  B.E(C-Cl) = 339 KJ/mol  B.E(H-Cl) = 427…

Q: Draw the following organic compounds: a) N-ethyl-N-propylhexanamide b) 2,3,6-trichloroheptanol c)…

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Q: Cabulate the [H ₂0+], [OH-] ka and Criven Pka at the acid et emblidruim A 6.50 L aqueous Salbutions…

A: Given, concentration of monoprotic acid = 0.175 M  pH = 4.44

Q: Write the condensed (noble-gas) electron configuration of Cr²⁺, Co2+,Mn4+,and Cr3+

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Q: A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar…

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Q: A sample of water with a mass of 662.8 g undergoes a temperature change from 81.40°C to 18.91°C what…

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Q: A phenol has an -OH group bonded to a(n) OA) singly substituted or unsubstituted carbon O B)…

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Q: CH4 (g) + 1₂ (g) ⇒ CH3I(g) + HI(g) Kc = 2.26 x 10-4 @ 660 K A reaction was initiated at the…

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Q: 3. List two major sources of error associated with pH measurements.

A: pH = -log[H+] pH is defined as a type of scale which is used to measure the acidity and basicity of…

Q: Calculate the pH of the following aqueous solution:           0.40 M NH 4Cl (p K b for NH 3 = 4.74)

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Q: 5. For the following cell, write a balance equation for each half reaction occurring at the…

A: Recall the given cell reaction,                        Pt s | H2 g, 1.00 bar | H+ aq, pH = 3.60 ||…

Q: H3C CH₂. CH3 Isobutyl alcohol (1 equiv) H30+

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Q: Q.2: Attempt any two questions in brief. b. a. Write the rearrangement of carbocations. Write the…

A: There is more than one question and all are different,and as per answering guidelines I can answer…

Q: Part A Indicate whether each of the following solutions is acidic, basic, or neutral: Drag the…

A: pH :it can define as the negative logarithm of H+ ion or H3O+ ion concentration. pH = -log[H3O+]…

Q: 10. The pH response pf glass electrode is limited entirely to the area of special glass membrane…

A: The glass electrode has a round bulb kind of structure which is immersed in the solution of whose pH…

Q: 7. A 0.4021-g sample of a purified organic acid was dissolved in water and titrated…

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.