Which of the following compounds will elute FIRST from a column separated using reverse-phase liquid chromatography? OH O CH₂

Q: 1.33g of iron(II) bromide is dissolved in 350.mLof a 14.0mMaqueous solution of silver nitrate.…

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Q: Which compound of each of the following pairs is the STRONGER ACID? * (A) (B) O Option A O Option B…

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Q: A solution has the mass% of 12.0% NaOH(aq).  Calculate the molarity of NaOH(aq). NaOH = 40.00…

A: Given, mass % of NaOH = 12.0 %

Q: Specify whether the benzene rings in the compounds below are activated or deactivated towards…

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Q: SO4 + NH*4 → NH3 + HSO 4 O NH*4, SO4 O NH3, HSO 4 O NH3, SO²4 tion below?

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Q: Was your average experimental mass percent of oxygen in potassium chlorate higher or lower than the…

A: One mol KClO3 contain 3 mol of oxygen and 1 mol of K and 1 mol of Cl Molecular mass of KClO3 = 122.5…

Q: 1. CEC-H 2. H₂O

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Q: QUESTION 8 What is the major product of the following reaction? 00. of CHCH₂ B CHCH₂ D

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Q: J: Sodium metal, Na, crystallizes in a body-centered cubic arrangement. What is the density (in…

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Q: 7. Provide the major organic product when 2-chloro-3-ethylpentane is heated to 45 °C in ethanol. are…

A: It will favour E1 mechanism over SN1 , SN2 because here ethanol will behave as base over…

Q: Identify the element in each pair with the higher ionization energy. Match the elements in the left…

A: Since you have asked multiple questions so we will answering the first question for remaining…

Q: What is the pH of 1.47e-5 M HBr?

A: Strong acid completely dissociate in aqueous medium to give H+ ion  pH= -log(H+)

Q: What is/are the most acidic proton) in the moloecle below? Select the anneer where the most acidic…

A: Given: structure of molecule.  Acidity is directly proportional to the stability of Carbanion.

Q: Learning Task 1: Determine what kind of carbon allotropes are the given pictures below based on its…

A: We need to determine the type of carbon allotrope shown in each picture.

Q: O A generic solid, X, has a molar mass of 81.6 g/mol. In a constant-pressure calorimeter, 19.5 g of…

A: According to calorimetry heat absorbed by one substance (cold body) is equal to the heat released by…

Q: A 0.075 M single-liter acid solution has an H30 concentration equal to?

A: General formula for acid HxAy .

Q: Caitlin titrated 45.00 mL of 0.30 M formic acid with 54.0 mL LIOH to reach the equivalence point.…

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Q: Acids and bases are described through several theories (Arrhenius and Bronsted-Lowry theories). The…

A: The construction and revising of these theories demonstrate the development of science.   Other…

Q: Question 8 of 15 Provide the correct three-letter abbreviation for the following amino acid: Gln O=0…

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Q: Copper I iodide, Cul, is not stable enough to last long in storage, so it is generally made just…

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Q: 2. The carboxyl group on a benzene ring is a(n) (ortho-para or meta) director in electrophilic…

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Q: = What is the vapor pressure of Cu at 2633.8 K if its heat of vaporization and boiling point are…

A: We will use the clausius-clapeyron equation.

Q: How many grams of camphor 1:200 (w/w) ointment and camphor 4.5 % (w/w) ointment are required  to…

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Q: BeO has a face-centered cubic unit cell in which the O2- anions occupy corners and face centers,…

A: Unit cell of BeO has Face CCP arrangement., mass of Be = 9.0g mass of oxygen = 16g radius of O2- ion…

Q: Which of the following is not one of the five factors that influence reaction rates? O The presence…

A: Chemical kinetics is branch of chemistry that deals with rates of chemical reactions.

Q: f. 17? If so, plain your answemaximum oxidation number for elements 11 through

A: Oxidation number for an atom indicate the number of electron it should lose or gain to obtain a…

Q: Complete these Brønsted-Lowry reactions. reaction 1: HPO+H+H₂PO Incorrect reaction 2: HPO+OH PO³ +…

A: Given,  The Bronsted- Lowry reactions of HPO4-2 , when it act as base and acid :

Q: Liquid hexane （CH3 （CH3）4（CH3）） reacts with gaseous oxygen gas （O2）to produce gaseous carbon dioxide…

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Q: Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of…

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Q: 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Recall the data, mass of X =8.50 g, MM=44 g mol-1 mass of CO2=25.50g, MM=44 g mol-1 mass of…

Q: Determine the mass of 4.6 x 10²5 molecules of PF3. Li Be Na Mg Rb Fr Fandan Cs Ba Cann 735 g 672 g…

A: Which one of the following is correct

Q: Me Me Me OH A Me Me B 1. MeMgBr (xs), THF; aq. HCI 2. TSCI, pyridine 3. KOtBu, tBuOH Me Me Me O C Me…

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Q: Calculate the [OH] in 0.2110 M H3PO4. The stepwise dissociation constants are Ka1 = 7.50e-3 and Ka2…

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Q: Complete the table using the existing information. Limit your answers to two (2) significant…

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Q: A sample of gas has the volume  of 148 L. at the pressure of  102 mmHg.  If the volume  is changed…

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal…

Q: + H₂N-C- What is the identity of the unit highlighted in the amino acid shown here? CH₂ CH₂ C= NH₂…

A: Amino acid are those special organic compounds in which amine (-NH2) and carboxilic group (-COOH)…

Q: which of the following is the strongest acid: H3C. оо A в A ОН H3C F Н Ф OH H3C F F =0 OH F F-C H D…

A: we have to select the strongest acid from the given molecules

Q: The label for oxacillin 2 g vial states that 11.5 mL of Sterile Water for Injection is needed to…

A: Concentration in mg/mL means 1 mg of solute is present in 1 mL of solution. For a solution of same…

Q: Sort the characteristic properties of the following isotopes of nitrogen into their respective bins.

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Q: An ether functional group is an oxygen atom with two R groups on both sides (an “R” group is another…

A: we have to draw the line structure of CH3CH2OCH2COCH3

Q: 4. Propose a mechanism, using curved arrow notation, to account for the formation of the following…

A: In the given reaction the alkyl iodide reacts with ethanol to give a substitution and elimination…

Q: QUESTION 1 What is the driving force for losing a proton as the last step in an electrophilic…

A: Solution The correct option is  D) To restore aromatic system

Q: What explains why many aldehydes and ketones can undergo self- condensation reactions in basic…

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Q: Explain crystalline solid.

A: We need to explain crystalline solid substance.

Q: Which of the following elements would be expected to undergo beta decay? O 210 Po 84 56 Fe S O 137…

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Q: 8. Using Zaitsev's rule, choose the most stable alkene among the following. Draw out the structures…

A: According to the zaitsev's rule, the alkene which is more substituted on the double bond is more…

Q: CH3CO2(CH2)3CH3 = convert to complete structu

A: Condensed structural formula is a more compact way of drawing the structural formula of a molecule.…

Q: 4. Provide the full mechanism (curved arrows and intermediates) that leads to the product in the…

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Q: Complete the following reaction NH₂ O CH3 NH₂ CH3 Br CH3 NH₂ CH3 NH ₂ CH₂ Br 1) HNO/H₂SO4 2)…

A: When a primary aromatic amines is treated with nitrous acid in a well cooled solution, the product…

Q: Calculate the percent dissociation of the acid in each of the following solutions a. 0.50 M acetic…

A: Concept based on the dissociation of weak acids on dilution.