The UV/Vis allows you to determine the concentration of a colored compound. Calculate the value of K using the following values. Vol of 0.002 M KSCN-5.00 mL Vol of 0.002 M Fe(NO3)3- 2.71 mL Vol water- 2.29mL Abs after mixing-0.553 Hint: 1- convert absolute to concentration of FeNCS 2- determine the equilibrium concentrations of KSCN and Fe(NO3)3 3- calculate K Then multiply calculations

Q: What is the reason behind the portion-by-portion evaporation of DCM in the extraction of eugenol?…

A: The solution of the given question is

Q: Chemistry pls help is due today! 1a.develop an hypothesis on how to isolate casein from milk using…

A:

Q: I. II. RC-CH₂ +2H₂C=CH₂ - H₂ ?NH: — CH2—NH á nHỌỌC CHỊ COOH for Multiple Choice (CH₂)6 I and II…

A: I) this polymerization is carried out with the help of radical mechanism.

Q: Draw the structures of all neutral organic products formed in the reaction shown. Do not include…

A: Here we are required to find the product of the reaction after hydrolysis of anhydride

Q: Calculate the value of the equilibrium constant for the following reactions: a) NH3 +H3O+NH4+ + H2O…

A: To calculate the value of the equilibrium constant for the following reactions: a) NH3+H3O+ ⇆ NH4++…

Q: Sample of AgClO3 heated until decomposed yielding 0.545 mol of O2. How many moles of AgClO3 were in…

A: Silver chlorate decompose into silver chloride and oxygen gas. The equation for the balanced…

Q: An environmental chemist obtained a 200. mL sample of lake water believed to be contaminated with a…

A:

Q: MeO те OH IT осо MeO "I HO

A: The given transformation involves three steps such as oxidation, nucleophilic attack and reduction…

Q: An injection of amphotericin B contains 50mg/10ml. What volume must be added to 500ml of normal…

A:

Q: Question 6 of 11 > Which of the esters cannot undergo Claisen self-condensation? l l i H Ph U ■ ■…

A: In this question we have to tell that which ester can not undergo claisen self condensation.

Q: 2. Give the values of the four quantum numbers of an in the following orbitals: (a) 3s, (b) 4p, (c)…

A: Four quantum numbers of an electron

Q: Calculate the call potential for the reaction written at 25.00 °C that given [cr²t] - 0.855m [Ni2+]…

A:

Q: A chemical bond in which a pair of electrons is not shared equally by two atoms is called a(n):   a.…

A:

Q: Suggest possible synthetic route for following transformations. Show the reagents, intermediates and…

A: The product is formed by stark-enamine reaction. In stark-enamine reaction is acid catalysed…

Q: Microwave ovens emit microwave energy with a wave length of 18.9cm. What is the one energy of…

A:

Q: Consider the mechanism for the formation of a halohydrin from cyclohexene and bromine in the…

A: To explain what is happening at the molecular during the reaction of cyclohexene with bromine in the…

Q: 5) pH Calculations of Polyprotic Systems b. What is the pH of 0.1000 M NaH₂PO4? (Ka1 = 6.9x10-3,…

A:

Q: f an instrument gives a response of 1240 for a standard containing 8 ppm of a substance, how much if…

A: The given question can be solved by using the unitary method. The assumption that we are taking is-…

Q: pure hydrogen is mixed with air (79% N2 and 21% O2) and the oxygen removed by water formation. The…

A:

Q: 18 19 20 21 22 23 24 Answer the questions in the table below about the shape of the methyl (CH3)…

A:

Q: A 25.0 mL sample of a 0.1300 M  solution of aqueous trimethylamine is titrated with a 0.1625 M…

A:

Q: 3. Match the following ingredients with their uses in the preparation of Calamine Lotion. Ingredient…

A: The ingredients with their uses are mentioned below:

Q: Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and…

A:

Q: 2. Find the mass, in grams, of magnesium hydroxide that will be produced when 25.0 mL of 0.235-M…

A:

Q: Determine the volume, in milliliters, of 0.80 M Ba(OH)2 required to titrate 25.0 mL of 0.90 M…

A:

Q: Calculate the H+ ion concentration in lemon juice having a pH of 2.40. 4.0 x 10-2 M 250 M 0.38 M 4.0…

A: pH = 2.40

Q: Describe the phenomenon of osmosis and osmotic pressure in detail. Explain the process of change of…

A: Osmosis :- Osmosis is a biophysical phenomenon occurring commonly in biologic systems, in which…

Q: westion 3 msider this reaction: 6CO₂ 6H0 light₂₂60₂ there were 2.38 x 10 g of H,O, 18.6 moles of…

A:

Q: CI I) KCN 1) HBr = 11) C12 OK Br CI

A:

Q: The table below lists information about the radioactive decay of three nuclides. Fill in the missing…

A: The radioactive decay of the three nuclides are:

Q: I На Ha На Ha о О Нь О Но О о H

A: Note : Hb is active methylene hydrogen. Pka is around 10. Therefore more acidic than Ha, Hc, Hd. Ha,…

Q: Chromel is an alloy composed of nickel, iron, and chromium. A 0.6392-g sample was dissolved and…

A:

Q: مل HO + OH pyridine H

A:

Q: A 870-g quantity of a substance is at its melting point of -117.9°C in the liquid state. The heat of…

A:

Q: Prove that the statement is correct, give the solution and formula of the problem  The correct…

A: Here we have to prove the given statement is correct.

Q: The energy sublevels are represented by:   a. s, p, d, f   b. integers 1, 2, 3,....   c. IA, IIA,…

A: Given,  The energy sublevels are represented by:   Options are :     a. s, p, d, f   b.…

Q: retention time boiling point Don FCH₂ 2.716 min bp 102-103 °C -H CH3 ? bp 103-104 °C CH3 2.962 min…

A: Some different compounds are given. Different Compounds give different IR peak.

Q: ● Apply what you have learned about open, closed and isolated systems to the following situations.…

A: The systems are defined based on the exchange of energy and mass. If energy and mass both can be…

Q: Consider the following system at equilibrium where AH° = 182 kJ, and Kc = 7.00x 10-5, at 673 K.…

A: Given reaction is NH4Is⇌NH3g+HIg

Q: Predict the products for the following reactions, indicate major and minor where applicable MgBr 1)…

A: Here we have to write the major products formed in the following sequence of reactions.

Q: Determine if the reaction is spontaneous under standard conditions by finding ΔG° in kj mol-1…

A:

Q: How many more gauche interactions are there in axial trans-1,2-dimethylcyclohexane than in the…

A:

Q: The solution contains the following cations: Na+ 145 mEq/L, K+ 135 mEq/L, and Ca²+ 122 mEq/L. If…

A: Given data Na+=145 mEqLK+=135 mEqLCa2+=122 mEqL Volume of solution taken = 1.00 L And also given…

Q: 2. Devise a synthetic strategy to complete the following transformation. a. yhyy CO₂H H₂N CO₂H

A: Note : Trans amination of above staring material produces Valine . Step 2 : BOC protection of amine…

Q: The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is (a)…

A:

Q: Why should deionized water to be used throughout the analysis

A: In any type of analytical method, most of the time we use deionised water because-

Q: Please answer the questions with solutions

A:

Q: What type of compounds have low to moderate melting points?   a. Ionic   b. Molecular

A: Comparison of melting point between molecular and ionic compounds

Q: 7.If the change in free energy, AG is egative, the reaction is spontaneous in e forward direction.…

A:

Q: b. с 0 CH₂ CH₂ CH₂ SH CH₂ megh H₂C

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…