An analyte with a partition co-efficient of 4.0 is extracted from 10 mL of the aqueous phase (Phase 1) into an organic Phase (Phase 2). What volume of the organic phase is needed to extract 90% of the analyte in four extraction using equal volumes? (Show your Calculation)
Q: A solution of 0.021 M AgNO₃ that is also 1.23 M NH₃. The kf for Ag(NH₃)₂⁺ is 1.7x10⁷. In a 1.5L of…
A: Given: Concentration of Ag+ (From AgNO3) = 0.021 M Concentration of NH3 = 1.23 M Volume of solution…
Q: A 100.0 ml. solution containing 0.794 g of maleic acid (MW = 116.072 g/mol) is titrated with 0.228 M…
A: Given: Mass of maleic acid, H2M = 0.794 g. Volume of solution = 100.0 mL = 0.100 L Volume of KOH…
Q: answer with explanation and give the mechanism with curved arrow given bleow reaction !!
A:
Q: 1 Zn + 2 HCl → 1 ZNCI, + 1 H, Given 300 grams of zinc, what is the theoretical yield of hydrogen in…
A: Calculation of theoretical yield.
Q: 2. Determination of the molecular weight of proteins. A student performs a protein separation in the…
A: Here we are required to separate protein by electrophoresis.
Q: (b) The reaction (R)-2-chloro-3-methylbutane with KOH shown below, resulted in a mixture of three…
A:
Q: What is the major organic product for the following reaction? Select all that apply. HCI OH Onone of…
A: The reaction given is,
Q: New Tab Metallic tantal C Metallic Tants C The Subitance C The Subitanci C The Subitarice C Wich Of…
A:
Q: Find the type of reaction, enthalpy, entropy, and spontaneous (- Delta G) of all three problems.
A: The reactions given are, 1) 2) 3)
Q: When the reagent, Br2 in CCI4, (reddish-brown color), was added to Compound A of molecular formula…
A:
Q: Balance the following redox reaction using the half-reaction method MnO41- + SO32- = MnO2 + SO42-…
A: Here we required to balance the redox reaction by ion electron method.
Q: 49. The kinetics of the reaction A + 3B → C + 2D were studied and the following results were…
A: Given: Rate = K [A]n[B]m Plot of ln[A] v/s t is a straight line with a slope of -0.05 s-1 when [A]0…
Q: For each quantity in the table below, write the symbol of the SI unit in which it would usually be…
A: 1) The amount of radiation it takes to activate a polyethylene container Unit symbol- becquerels…
Q: c. A real system is the vanadium atom with the following electronic energy level scheme: Level…
A:
Q: Ina calorimetry experiment a student determines the enthalpy for the reaction of magnesiam with…
A: Given: The enthalpy of reaction determined in the experiment is -430 KJ/mol while the true enthalpy…
Q: Click the "draw structure" button to launch the draning utility. Complete the following reaction…
A: In this question we have to tell the starting material of the given reaction.
Q: Provide the abbreviation of the following nucleotide. NH2 N. N N. "0-P-0-P-0- HT TH ÓH H d AGCTU MP…
A: This structure has 1). A sugar with 5 membered ring called the deoxyribose (in the middle) 2). A…
Q: O CH3 - CH2- CH2 - CH3 - CH2- CH = CH CH 2 ☺ CH3- CH2 - CH = CH - CH2-CH = CHz-CHz %3D %3D 3 H2 C-…
A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…
Q: Calculate the mass defect for the formation of phosphorus-31. The mass of a phosphorus-31 nucleus is…
A:
Q: Which of the following is TRUE for emission spectra? Group of answer choices A. Excitation…
A: Emission spectra arise due to the emission of electromagnetic radiation due to the movement of…
Q: A student made measurements on some electrochemical cells and calculated three quantities: • The…
A: Here we required to find the error in the Gibbs free energy,equilibrium constant and standard cell…
Q: What is the maximum amount of iron, in grams, that can be gotten out of 43.91 grams of Fe2O3? Enter…
A:
Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…
A: Given:
Q: For the reaction 2HI → H, +l, at 556°k , for which the observed value of k is 3.5*107 sec1 & E,=…
A:
Q: If ionone reacts with HCl to form the addition product shown below, what is true of the carbon…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.…
A:
Q: I. Give the IUPAC and common names of the following ethers. Common Name IUPAC Name 1. H3C CH3 CH3 to…
A: Given compounds are :
Q: Why is it important to follow the guidelines (Aufbau principle, hund's rule, paul exclusion…
A:
Q: Using reaction free energy to predict equilibrium composition D 1/5 Consider the following…
A: Here a reaction vessel is filled with 2.34 atm of NO and 9.71 atm of NOCl at 426°C. The equilibrium…
Q: For butane, the ∆H° of vaporization is 22.4 kJ/mol and the ∆S° of vaporization is 82.3 J/mol・K. At…
A:
Q: Use bond energies to determine AHrxn for the reaction between ethane and chlorine. CH3 CH3 (9) + Cl2…
A: Given reaction is : Table of average bond energy (BE) is : Options are :
Q: Describe the differences between alpha and beta secondary structures of proteins. osu struc.
A: Proteins are nitrogenous organic compound present in living cells and responsible for different type…
Q: how the step(s) necessary to tran cht. (CH3),CCH¿CH
A: Question 01: According to the question, we need to convert 3,3-dimethyl butanal to 3,3-dimethyl…
Q: II. Chemical Balance: A. Balance of the aqueous cupric ion - ammoniac cupric ion 1. Color of the…
A: Those metal which can exists in different oxidation states are known as the transition metal. These…
Q: Tritium is a radioactive hydrogen isotope that undergoes beta decay. a) Write a balanced nuclear…
A:
Q: Match each of the following with the correct answer. Benzovl chlorido
A: Acid chloride reacts with amine to give amide Pthalic acid is treated with base like NaOH gives…
Q: 16. Figure shows variation of log D (Diffusivity of Au atoms, self diffusion). as a function of 1/T.…
A: diffusion of metal ions and ARRHENIUS PLOTS
Q: 6b. why doce CE have better performance than LC in separation
A:
Q: Draw the line structure of: 1.) 1-methylcyclopentane 2.) 3-tert-butyldecane
A: In this question we have to tell the structure of the given compound.
Q: ollaborate 2020 Fall Term x Aktiv Chemistry A&Pl in Conn.. *Starfish 0 Bcc email Chem101 Y Cuny…
A:
Q: Write an acceptable IUPAC name for the compound below. Include 'cis' and trans' as part of the name…
A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…
Q: What is the activity (in Bq) of a sample of Cs-137 if 31.6 years ago it was recorded to have an…
A: Given: The initial activity of Cs-137 = 9932.8 Bq And the time passed = 31.6 years. The half-life of…
Q: 10.If you have a two component system, what are the three state variables that you need to typically…
A: A question based on phase rule that is to be accomplished.
Q: carbonyl compounds will NOT undergo Aldol addition reactions when treated with aqueous sodium…
A:
Q: MC02 How many of the compounds shown are not expected to be converted into Grignard reagent on…
A: 1) When you want to synthesized grignard reagent then you need to take alkyl halide and magnesium…
Q: Show that a, B¯ , B*, and EC decay are all possible for the nucleus 224Ac. (Enter your answers in…
A:
Q: OH రోజయ్ి 2. QH 2 H0 NH2
A:
Q: 1. Given the gaseous reaction between methane and water forming carbon monoxide and hydrogen: CHa(8)…
A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…
Q: 4. Number these in order of ease of hydrolysis. 1= casiest to hydrolyze, 4 = hardest to hydrolyze.…
A:
Q: Match the total number of isomers that each of the following complexes can have. Do not include…
A: Give in following question some complexes match the total number isomers do not include enantiomers
Step by step
Solved in 2 steps with 2 images
- A solution of 3g organic compound X in 200ml of water was extracted with 200 ml of ethyl ether. At equilibrium the concentration of Xin the two phases was ; 2.6g/100ml of ethyl ether ; 0.8g/100 ml of water. Calculate the partition coefficient, Kd, for compound X in the system. Show your calculations and What percentage of the original sample of X was extracted? Show your calculations.A solute with a partition coefficient of 4.0 is extracted from 10.0 mL of phase 1 into phase 2. a) What volume ofphase 2 is needed to extract 99% of the solute in one extraction? b) What is the total volume of solvent 2 neededto remove 99% of the solute in three equal extractions instead?Explain what will happen when you use 50 microgram of an analyte in a chromatography column which has 3 theoretical plates. The partition coefficient in this setup is 1/4. You must explain the subsequent distribution of the analyte as it moves through the three theoretical plates
- Two species A and B are known to have water/hexane partition coefficient of 5.99 and 6.16. They are separated by elution on silica gel with hexane as eluent. The ratio for the packing VS/VM =0.425a) What column length should be used to provide a resolution of 1.5 if the plate height ofthe packing is 1.5 ×10-3 cm? b) If the flow rate is 6.75 cm min-1, how long will it take to elute the two species?Two species A and B are known to have water/hexane partition coefficient of 5.99 and 6.16.They are separated by elution on silica gel with hexane as eluent. The ratio for the packingVS/VM =0.425a. Calculate the retention factor for each soluteb. Calculate the selectivity factorc. How many plates are needed to provide a resolution of 1.5?d. What column length should be used to provide a resolution of 1.5 if the plate height ofthe packing is 1.5 ×10-3cm?e. If the flow rate is 6.75 cm min-1, how long will it take to elute the two species? (the question wanted to be answered)The absorbance of a 0.5 mM aqueous salicylic acid solution was 0.925. This solution was extracted with 10% ethyl acetate/hexane solution. The absorbance of the extracted aqueous salicylic acid solution at equilibrium was 0.670. a. Find the equilibrium concentrations of SA in the aqueous and the non-aqueous phases. b. Calculate the partition coefficient (K) for the salicylic acid.
- Variation in volume of extraction solvent: compound X is dissolved in 20.0 mL of solvent B. Assuming a partition coefficient of PX,AB of 5.0, calculate the percentage of X that remains in solvent B if it is extracted the following volumes of solvent A: 1.0 mL 10.0 mL 20.0 mL 100.0 mLThe partition coefficient of ammonia between water and chloroform is wanted to be determined. The necessary quantities of ingredients are taken into the separation funnel, and the extraction process is applied. At the end of the extraction process, 5 mL portions of each of the water and chloroform phases are titrated with 0.1 M HCI in the presence of methyl orange indicator. If the volumes spent at the turning points are 7.2 and 5.1 mL, respectively, calculate the KSU, KLOROFORM (Dispersion coefficient) value.A 36.0 mg sample of an organic compound (molar mass = 84.0 g/mol) is dissolved in 10.0 mL of water. This aqueous solution is extracted with 5.0 mL of hexane. Separation and analysis of the aqueous phase shows that it now contains 12.0 mg of the organic compound. Calculate the partition coefficient for the compound between hexane and water (Kphexane/water). Your answer should reflect the proper number of significant figures.
- Micellar electrokinetic capillary chromatography was conducted at pH 10 with anionic micelles and the anode on the sample side. (i) Is aminobenzene (C6H5NH2) a cation, an anion, or a neutral molecule in this experiment? (ii) Explain how to decide which compound, aminobenzene or anthracene, is more soluble in the micelles.Suppose you have 0.01moles of an organic solid in 100ml of water. The partition coefficient P between ether and water is 20. Which results in a greater material recovery-washing the water once with 200ml of ether or twice with 100 ml of ether and combining the two washes? Or is the recovery the same? Be quantitative and show your calculations.