In a normal phase chromatography set up, the component that yields the highest Rf value is likely to be _____. Group of answer choices Both polarity Cannot be determined Polar Non-polar

Q: The value of Kc for the following reaction at 227°C is (1.15x10^1) CO(g) + 2H2(g) ↔ CH3OH(g) What ...

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Q: Consider the reaction and its rate law. 2 A+2B products rate = k[B] What is the order with respect t...

A: Given-> 2A + 2B -->product Rate = k[B]    

Q: A 20µM solution is prepared by diluting ml of a 0.1mM solution into 500ml of wate

A: Number of moles of solute before dilution is equal to number of moles after dilution  M1V1 = M2V2  M...

Q: 2. Draw the curved arrow notation for each elementary step of the reaction sequence described below....

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 308. kJ during a ...

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Q: Consider the reaction. A(aq) 2 B(ag) K, - 1.18 x 10 at 500 K If a 4.20 M nample of A is heated to 50...

A: Given reaction is :  A (aq) <------> 2B (aq)  Value of equilibrium constant = Kc = 1.18 x 10-6...

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolvin...

A: heat of dissolution is the heat which may be releases or absorbed when a solid is dissolved in water...

Q: Q3. Briefly answer any two (2) of the following. i) How Mendeleev's periodic table was different fro...

A: Given question is :  (i). How Mendeleev's periodic table was different from Henry Mosely's periodic ...

Q: Calculate the magnesium ion molarity for a solution which has magnesium ion concentration of 176.4 p...

A: Concentration of magnesium ion = 176.4 ppm  Molarity of this solution = ?   

Q: Differentiate molecular spectra and atomic spectra

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Q: HA weak acid has (K = 0.0056), a concentration of 0.480 M. what is pH of the acid

A: Weak acid dissociate less in solution

Q: Calculate the following DNA concentrations and determine the purity of the samples: DNA Dilution Dil...

A: Formula used :-  Concentration of double stranded DNA = 50 µg/mL × OD260 × dilution factor.  

Q: Draw two possible configurations at the given compound's (in the picture) 2 chiral centers.

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Q: c. Write the ionization equilibria for aspartate. Calculate the pl. Show your work. H3N (9.8) CH (2....

A: We are required to find isoelectric point of the aspartic acid Also we are required to label the 3 s...

Q: The value of Ksp for AgBr is 5.4 x 10-13. For the Ag/AgBr electrode, AgBr(s) + e Ag(s) + Br (aq) E°A...

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Q: Calculate the volume in milliliters of a 5.3 mol/L silver nitrate solution that contains 200. g of s...

A: To solve this problem first we will calculate the mole of silver nitrate then volume of solution wil...

Q: 1. Calculate the potential as a function of titrant volume when 50 mL of 0.100 M Fe* is titrated wit...

A: Given, Titration of 50mL 0.100M Fe2+ solution is done with 0.100M Ce4+ solution. Before the equival...

Q: Predict the splitting pattern(s) you would expect for the proton(s) in the molecule below that will ...

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Q: Which of the following is incorrect regarding electrodes of the first kind? O a. may depend on the p...

A: Electrode of the first kind is a simple metal electrode immersed in a solution containing its own io...

Q: 2. Provide starting materials to produce the following compounds using a Grignard reaction: CH, OH C...

A: Reaction of ketone with Grignard reagent forms tertiary alcohol  Whereas Grignard reagent reacting w...

Q: A solution is prepared by adding 100.0 mL of a 0.135 M HCI solution to 100.0 mL of a 0.066 M NAOH so...

A: Volume of HCl=100.0mL  Concentration of HCL=0.135M  Volume of NaOH=100mL Concentration of NaOH=0.066...

Q: What is  the pH of an (aq) solution, [OH-] = 4.6 × 10-10 M.

A: pH is equal to negative logarithm of hydrogen ions

Q: Enter your answer in the provided box. Calculate the osmotic pressure of a 2.0 x 101 M solution of N...

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Q: Blast furnaces extract pure iron from the iron(III) oxide in iron ore in a two step sequence. In the...

A: Net chemical equation should only contain those species that takes part or participates in the react...

Q: 2. A solution that may contain Cu*, Bi²", Sn, or Sb2* is treated with thioacetamide in an acidic med...

A: The following question can be answered on the basis of qualitative analysis of captions present in a...

Q: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

A: Choose three objects in your home that are considered as organic compounds. Write down whether it is...

Q: A 0.217 gram sample of a diprotic acid requires 14.1 mL of 0.100 M NaOH to titrate the acid to its f...

A: Weight of sample= 0.2 17 g  Volume of NaOH=14.1mL Concentration of NaOH=0.100M  Molecular weight of ...

Q: K; for the complex ion Ag(NH,),* is 1.7 x 10. K, for AgCl is 1.6 x 10-10. Calculate the molar solubi...

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Q: what is the concentration of calcium carbonate(only in case of liquids) and the correct way to dispo...

A: Calcium carbonate is a water-insoluble substance. It can be easily converted to other calcium compou...

Q: Purification of benzoic acid 1. What is the purpose of washing the crystal in the filter paper with...

A: 1) Answer: Benzoic acid is prepared from toluene industrially.  Toluene is react with cl2 gas under ...

Q: 15.0 g of carbon dioxide gas is stored in a cylinder (a malfunctioned fire extinguisher) with a volu...

A: Given,  Mass of carbon dioxide (CO2) = 15.0g Volume (V) = 10.0L Pressure (P) = 3.00 atm R = 0.0821 L...

Q: Part A MISSED THIS? Read Section 6.7 (Pages 235 - 238) ; Watch IWE 6.12. What volume of O2 gas, meas...

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Q: Does a reaction occur when aqueous solutions ofsodium acetate and potassium hydroxide are combined? ...

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Q: Br2 1) Mg/ether 2) CH,CH,CH,CHO 3) H,O* H3C. FeBr3 d) CH3 Cro3 H3C. HNO, H,SO4, A H,SO4 e) CH3

A: Both are Multi step synthesis reaction . Detail mechanistic pathway is given below

Q: What is the aim of submerging the electrode in a potassium chloride solution? Must this be stored in...

A: Potassium chloride (KCl) goes about as a wellspring of chloride particles for the anode. The upside ...

Q: A pneumatic jack is used to raise a car 46.00 cm. The volume of the pneumatic "balloon" is 510 L at ...

A: Given :-  Initial volume = 510 L  Initial temperature = 31°C  Final temperature = 18°C  To calculate...

Q: In reverse phase chromatography, the stationary phase is ___________ and the mobile phase is _______...

A: Answer of the question given below, 

Q: Which of the properties below apply to the polymer that forms when the following monomers react? H H...

A:   Monomers which have double or triple bond are react with each other by addition reaction without l...

Q: Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prep...

A: Given two steps for the manufacturing of HNO3 is : Step.1 :- N2 (g) + 3H2 (g) --------> 2NH3 (g) ...

Q: Describe the preparation of the solution. Show pertinent calculations. 1.) 50 mL of 0.5 N HCl from ...

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Q: Draw all the structural isomers for the molecular formula C,H¸O. Be careful not to draw any structur...

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Q: In which of the solutions below Lead sulfate, PbSO4, be most soluble in? Justify your answer. a. pur...

A: a. Pure water Lead sulfate dissociate in water as,  PbSO4 ⇌ Pb2+ + SO42- Solubility Ksp = s2 b. NaNO...

Q: is the systematic name of the alkyl halide product?

A: Alkyl halide are formed from substituting hydrogen from halogen.  

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 286, kJ during a ce...

A: Given,  Then,  Complete the table : 

Q: An Ag/AgCl electrode dipping into 1.00 M HCI has a standard reduction potential of +0.2223 V. The ha...

A: Answer: To find out the molar concentration of chloride ion in the solution we have to use the Nerns...

Q: NO2 NO 2 H N. +

A: This is a type of aromatic substitution reaction. Resonance and electron withdrawing groups supports...

Q: Draw the major organic product from the reaction sequence provided: Select Draw Rings More C H. Cl 1...

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Q: A mixture of ascorbic acid (CH706H, K2 = 6.8 X 105) and sodium ascorbate is prepared such that [CH,0...

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Q: Calculate the molarity of 1.1 L of solution containing 2.6 mol NAOH. provided box. M

A: Given :- no.of moles of NaOH = 2.6 mol               volume of solution = 1.1 L  To calculate :- mol...