Which of the following conditions DOES NOT show an improvement in the elution process? O increased rate of band separation O increased rate of band migration O increased rate of band narrowing O increased rate of band widening

Q: Which of the following catalyst is used for reaction 1? ... Reaction 1 Reaction 2 KMNO4 - C ? A…

A: Reaction 1 Given reaction is Friedel Craft alkylation reaction. In this reaction alkyl group…

Q: 1. Write down the chemical equation for the synthesis of isopentyl acetate. 2. Ethyl methanoate, an…

A: We have find out the chemical equation.

Q: Given the following standard reduction potentials: Mg2 (aq) + 2e - Mg(s) E° = -2.357 V %3D Al3* (aq)…

A: We have to predict the spontaneous reaction.

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Write the ionic compound by using their given ions---

Q: CH, H20 H2SO4 H,C- -CH3 H,C

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Q: The benzene ring can be saturated by supplying hydrogens in a rhodium-catalyzed reaction performed…

A: The correct answer is a. TRUE

Q: Find the pH of the equivalence point and the volume (mL) of 0.0884 M KOH needed to reach the…

A: Given data :  1.Molarity of KOH M1 = 0.0884 M  2. Molarity of HNO2 M2 = 0.0390 M  3. Volume of NNO3…

Q: 0.250 mol of N2 is placed into a 0.750 L container. What is the density of the gas? 84.1 g/L 4.67…

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Q: 1 SIO2 Si 2 CaCl2 Са CI MnO2 Mn 4 Feo Fe 5 Fe2O3 Fe 6 H2O2 H 7 Сао Са 8 H2S S CIF3 CI F 10 NH4 H

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Q: Gोपeी रै्माए C. वेeायी श् फिद फक वयवा ० जा e ८qsboxg® उव्ळट्वे शड हतराबाक ? 1a मा वगी- Ph स-b a- HEb

A:

Q: The rate constant for the reaction is 0.420 M.s at 200 C. A- products If the initial concentration…

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Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture…

A:

Q: Consider the below chemical reaction. If the reaction is performed at 200. atm and at 450. °C, what…

A: The amount of N2 required is given below

Q: what is molarity, the average molarity, and standard deviation? igmsa H Titrations - Report Sheet…

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Q: Match the following electron configuration for the correct element or ion. A. Cr 1s2 252p6…

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Q: i need help calculating the theoretical yield of trans-[Co(NH3)4Cl2]Cl] from 1 g of [Co(NH3)4CO3]NO3

A: Theoretical yield = (MM of trans-[Co(NH3)4Cl2]Cl]/MM of [Co(NH3)4CO3]NO3) x Mass of [Co(NH3)4CO3]NO3

Q: The equilibrium constant, K, for the following reaction is 9.52 x 10^-2 at 350 K: CH4(g) + CCl4(g)…

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Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

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Q: Find the pH of the two equivalence points and the volume (mL) of 0.0776 M KOH needed to reach them…

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Q: its In the prefered lewis structure, the number of total valence electrons (just write number only,…

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Q: A buffer is prepared by mixing 206 mL of 0.452 M HCl and 0.500 L of 0.400 M sodium acetate,…

A: Given: Molarity of HCl = 0.452 M Volume of HCl = 206 mL Molarity of sodium acetate = 0.400 M Volume…

Q: How many electrons are gaining or losing in this  half-reaction? (write complete half reaction in a…

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Q: The BOD was measured to be 300 mg/L for raw wastewater. If the BOD decay constant is 0.242 day,…

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Q: Balance the equation for a half-reaction that occurs in acidic solution. Use e as the symbol for an…

A: A redox reaction is balanced by balancing the mass and charge. In an acidic medium, the charge of…

Q: 10. Which of the equation below refers to the enthalpy of combustion? vos 16 29isivioE HOTlih sh A.…

A:

Q: Name and describe the three major chemical bonds and discuss how the valence electrons are involved

A: The three major chemical bonds are - - > Ionic bond Covalent bond Metallic bond   Valence…

Q: What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?

A: 15% (m/v) NaOH solution We have to find volume (mL) of a 15% (m/v) NaOH solution contains 120 g…

Q: Give the chemical structures of the following: 1. 1-octanol 2. Uknown

A: In this naming 1- octanol, the alchol group is present. -OH group is attached.

Q: Give the Chemical Structures 1. Ethanol 2. 2-Propanol 3. 1-Butanol 4. 2-Pentanol 5.…

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Q: 3. Ferulic acid is a phenolic compound present in popcorn, bamboo shoots, and cereals. Provide…

A: The ferulic acid, a phenolic compound from the class of hydroxycinnamic acid, has a number of…

Q: Given is teh mass spectogram of an unknown compoound. This unstable cyclic compund is a colorless…

A: The compound name is cyclohexene. Cyclohexene goes retro aldol produces the m/z = 54.

Q: n Mass Spectrometry, what high energy particle is responsible is used to bombard molecule so that it…

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Q: Describe the location of electrons; describe how electron placement determines chemical bonding,…

A: The electron which is negativily charged species present in the hollows space of the atom and rotate…

Q: radius. Explain your reasoning in the given space here in this question. Only use qualitative…

A: As we know,  In periodic table if we move from left to right,  atomic radius decrease while top to…

Q: The equation for electrolysis of molten NaCl is: 2NaCl(l)  2Na(l) + Cl2(g). What half reaction…

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Q: a) FC of nitrogen in NO3: b) FC of carbon in CO2 =

A: Given :- molecular/ion formula  NO3-  CO2  To determine :-  FC of N in NO3-  FC of C in CO2

Q: Analyze the related pair of words/phrases associated with phenols.   Vanillin: oxidation of…

A: First : Oxidation of eugenol with KOH gives Vanillin.  Second : propofol is a hydroxy toluene’s…

Q: What is reaction 1? Screen Shot 2022-04-16 at 11.11.01 PM(2).png ... Br Reaction 1 Reaction 2 A)…

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Q: decreases or remain the same - Heating a liquid from 20⁰C to 50⁰C - One mole of water is vaporized…

A: Entropy iis degree of randomness or disorderness in system Entropy order Solids < liquids <…

Q: Nitration reaction takes away electrons from the ring deactivating the ring and lessening the…

A: Nitration is a process in which there is the replacement of a hydrogen atom (organic compound) with…

Q: Balance the equation in acidic conditions. Phases are optional. equation: C2O2−4+MnO2⟶Mn2++CO2

A: Balancing in acidic medium, we add H+  to balance proton...

Q: The standard cell potential for the oxidation of Mg by Br2 is given below E0cell =3.42 V. Br 2 ( ℓ…

A: Given,  Br2(l) + Mg(s) → Mg2+(aq) + 2 Br-(aq) E0cell =3.42 V

Q: Rank the following compounds in order of INCREASING standard molar entropy. a. H2O2(l), H2O(l),…

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Q: Draw the product of the following reaction. CH3 H2N HOʻ ČH3 но он NaCNBH, OH Он

A: Sugar is having a aldehyde group. Therefore it reacts with amine forms imine. Imine is converted…

Q: Which is a unique catalyst for the reaction of alkanes and cycloalkanes? A irradiation (B platinum…

A: Alkene can be converted into cycloalkane by the addition reaction of both of the carbon atoms of the…

Q: Which of the following describes a gradient elution process?       stationary phase has varying…

A: In the given question, the nature of the stationary and mobile phase in the gradient process of…

Q: Is caffeine an addictive substance? If so, is it psychologically addictive, physiologically…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: number of o bonds:

A:

Q: What type of aromatic compound is pyridine?  a. Heterocyclic aromatic compound b. Benzenoid…

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Q: CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3 100 - F 80 60 E 40 A 20 C 10 20 30 40 50 60 70 80 90 100 110 120…

A: N - octane molecular ion peak is at = 114. n - octane produces m,z at 15, 29, 43, 57, 71 ,85. (see…

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.