What is the type of column used in chromatography (HPLC) and it's applications and mechanism

Q: Bromine and water react to form hydrogen bromide and oxygen, like this: 2 Br,(g) + 2 H,0(9) + 4 HBr(...

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Q: What is the product of hydrogenation of methylcyclopentene in the presence of a platinum catalyst? O...

A: The product of the catalytic hydrogenation of methylcyclopentene is given below

Q: Part B A student placed 12.5 g of glucose (C¢H12O6) in a volumetric flask, added enough water to dis...

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Q: Two grams of magnesium is heated as in this experiment, producing 3.33 g of magnesium oxide. Calcula...

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Q: Calculate the change in entropy of a 1kg of He gas at the normal boiling point of He when it all con...

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Q: 4. Wheat moisture content is needed to be adjusted (desired) to 15%. However, during flour milling p...

A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want...

Q: decomposition?

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Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for denta...

A: A chemical reaction can be added or subtracted like an algebraic equation.

Q: A.1. Provide two examples showing the E " character of C=0 corbon thru Co) Nu addifion, C+) wu* addi...

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Q: Which of the following statements is true regarding the mixing of two ideal gases at constant temper...

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Q: 1mol Na 36.5 g Na - 1.59 mol Na +0.79 mol →2 Na 23 g Na 1 molS |= 0.79 mol S+ 0.79 mol → 1S 32 g S 2...

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Q: The equilibrium constant, Ke, for this reaction is 57. H2 (9) + I2(9) = 2HI(9) If the equilibrium mi...

A: Here the equilibrium constant is 57 for the reaction  H2 + I2 < => 2HI . The equilibrium conce...

Q: Hydrogen and iodine react to form hydrogen iodide, like this: H,(9) + I,(9) 2 HI(g) Also, a chemist ...

A: H2(g) + I2(g)  <-------> 2HI(g) 

Q: Water is a ionized in water. solvent for HCIO4, HCI, and nitric acids because all three are complete...

A: Q1. Option B. Q2. Option A.

Q: How do we separate a mixture of benzoic acid and naphthalene, given that naphthalene is a white subs...

A: Both benzoic acid and napthalene undergo sublimation process. Both the compounds are volatile in nat...

Q: What are the products of the following decomposition? Ca(CIO3)2

A: Write decomposition reaction--

Q: 1. Solution A has 10mL containing 0.10 M NaCl and 10 M KNO3 while Solution B has 10 mL of 0.10 M NaC...

A: Ionic strength is the measure of the total ionic species present in the solution.

Q: 2B. How many grams of solid Ca3(PO4)2 (310.2 g/mol) will be formed when exactly 1.826 g of CaCl2 (Mw...

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Q: -. Draw a Moseley plot for the L. X-rays using the following energies in ke V: Mn 0.721 Rh 2.89 Zn 1...

A: I've solved for K beta value of spectral line having certain a and b value. You do the same with the...

Q: Calculate the probability of finding the particle in a one-dimensional box of length a in the interv...

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Q: Solid aluminum (Al)and chlorine (Cl,) gas react to form solid aluminum chloride (AICI,). Suppose you...

A: 2Al + Cl2 → 2AlCl3From the Reaction  2 moles of Al gives = 2 moles of AlCl3 ' 3 moles of Cl2  gives ...

Q: Gaseous ammonia chemically reacts with oxygen (O2) gas to produce nitrogen monoxide gas and water va...

A: The balanced equation : 4 NH3(g) + 5 O2(g) → 4 NO (g) + 6 H₂O (g)    

Q: decomposition?

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Q: Suppose the formation of tert-butanol proceeds by the following mechanism: step elementary reaction ...

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Q: The factor involved in determining the % ZnO in a sample where Zn was precipitated as Zn3(PO4)2 is ...

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements presen...

Q: Consider a saturated solution of barium iodate in 0.025 M BaCl2. For the salt:     Ba(IO3)2(s)  ⇌ Ba...

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Q: A.4. Seleeive renetion f C=0 which uses C70 componnds is dome thow patection Nus addition f ethylene...

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Q: 6.117 What is the temperature of a 125-g sample of tin, initially at 26.2°C, if 155 J of heat is add...

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Q: Explain why benzophenone is solid at room temperature, and why cyclohexanone is liquid at room tempe...

A: Cyclohexanone is liquid at room temperature while benzophenone is solid at room temperature. 

Q: Name trie ighlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: HCl(aq) + NaOH(aq) – → _

A: Question 4.  Given :- HCl(aq) + NaOH(aq) →  To determine :- product(s) formed in the above reaction 

Q: Write the equilibrium constant expression for this reaction: H,C,0,(aq) → 2 H"(aq)+C,0 (aq)

A: Equilibrium constant (Kc) is the ratio of the equilibrium concentrations of product over equilibrium...

Q: For the reaction 5.31 grams of iron (iii) ocide are moxed with excess hudrochloroc acid. The reactio...

A: The correct answer is given below

Q: an the following acid-conjugate base pairs be used as a buffer? Check the box corresponding to your ...

A: a) Ammonia and ammonium chloride Yes, it is a buffer.   b) Acetic acid and potassium acetate Yes. th...

Q: Organic Chemistry 1 Explain all of the steps clearly and logically. Do not just draw a picture. Cle...

A: We have to use CIP rule to find out the R/S conformations fro A to G.

Q: Bubbling occures when HCl is added to the reaction mixture

A: In this question we have to explain that the bubbling occures when HCl is added to the reaction mixt...

Q: 3. State the pH value of a sample that has ten times fewer hydronium ions than an equal volume of a ...

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Q: A chemist adds 1.30 L of a 0.26M copper(II) sulfate (CuSO,) solution to a reaction flask. Calculate ...

A: Given, volume = 1.30 L  Concentration = 0.26 M  Molar mass of CuSO4 = 159.609 g/mol   

Q: Which statement best explains the pressure-volume relationship of a gas at constant temperature?

A: According to Bartleby guidelines, expert can do only 1 question. 1) ans is option a

Q: In a 1.196E2 g sample of iron(III) oxide, how many grams of iron are present

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Q: Explain how you can determine the oxidation number of an unknown element by using the oxidation numb...

A: Calculate oxidation number of each atom in K2C2O4 ?

Q: An analytical chemist weighs out 0.127 g of an unknown triprotic acid into a 250 mL volumetric flask...

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Q: vour percent yield for t ch files

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Q: hydroxide is required to titrate 50 mL hydrochloric acid. Which of the following gives the initial c...

A: At equivalent point,  N1V1 = N2V2  Where,   N1 = Normality of acid  V1 = Volume of Acid  N2 = Normal...

Q: Rank the following carbonyl compounds in order of increasing reactivity towards nucleophiles:

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Q: Draw the reaction mechanism.

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Q: 4.) A 100-mL buffer solution with pH of 4.80 is prepared as a stock solution. Using this stock buffe...

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Q: Draw the expanded structural formula of an organic compound with sixteen carbons using the following...

A: The expanded structural formula of organic compound is the one in which bond connected to the carbon...

Q: Show the mechanism of the given aldol reaction.

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Q: How many orbitals are there in the 7s sublevel? а. 1 b. 3 С. 5

A: Only one orbital is present in 7s sublevel. option a is correct.