What type of electrode is used in polarography? Platinum Electrode O Dropping Mercury Electrode Glassy Carbon Electrode Standard Calomel Electrode • Previous No n

Q: The radioactive nuclide P# has a half-life of 14.3 days. How long would a waste containing 10 mg/L…

A: Answer: Radioactive reactions are first order reactions, therefore integrated rate law of first…

Q: Is the production of uric acid wasteful?

A: (1) Yes, Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or…

Q: c. Often chemists are synthesizing a new molecule, we can only compare the reaction mixture to the…

A: Thin layer chromatography which is known as TLC is a very useful chromatography technique use to…

Q: The pH of a 0.24M solution of pentanoic acid (HC, H,0,) is measured to be 2.73. Calculate the acid…

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Q: What is the pH of a 0.460 M solution of HF (Ka = 6.8 × 10⁻⁴)?

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Q: The answer is -44.97 but please provide the steps. As2S3(s) ⇌ 2As3+(aq) + 3S2−(aq) K = 4.95 × 10-20…

A: The reactions given are, 1) As2S3(s) ⇌ 2 As3+(aq) + 3 S2−(aq)                    K = 4.95 × 10-20…

Q: In the reaction --> S + P --> Q + V --> you measure the concentrations of all the compoents in the…

A: The reaction given is, => S + P ↔ Q + V                                ΔGo = +0.13 KJ/mol = 130…

Q: Calculate Δ So for the reaction below? 4 Fe(s)  +  3 O2(g)  ---------> 2 Fe2O3(s)

A: Known: SoFe(s)=27.3 J/K·molSoO2(g)=205.0 J/K·molSoFe2O3(s)=87.4 J/K·mol

Q: QUESTION 6 In CO₂, how many lone pairs are on a doubly bonded oxygen? 0 3 01 There is no doubly…

A: Answer: Molecular formula of carbon dioxide is CO2 which means in 1 molecule 1 atom of carbon and…

Q: In the reaction --> S + P --> Q + V --> you measure the concentrations of all the compoents in the…

A: The reaction given is, => S + P ↔ Q + V                                ΔGo = +0.13 KJ/mol = 130…

Q: Suppose you have a solution that could be either MgCl2, BaCl2, or Pb(NO3)2, which are all colorless…

A: Given: A mixture which contains either MgCl2 or BaCl2 or Pb(NO3)2. And the observations are, A.no…

Q: Which element has the following configuration: [Xe]6s²4f¹12 Enter the chemical symbol for the…

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Q: A chemist fills a reaction vessel with 6.82 atm nitrogen monoxide (NO) gas, 5.68 atm chlorine (C1₂)…

A: In this question we will calculate the reaction free energy ∆G for a given chemical reaction. The…

Q: A Provide the best mechanism for the illustrated reaction. Please name each elementary (8) step…

A: In presence of Rhodium catalyst cross coupling reaction occurs. The presence of CO further extends…

Q: b. The reagents must contain 4 or less carbons or be any inorganic reagent, benzene, or…

A: The consecutive reaction steps with the reagents and product are drawn in the scheme below-

Q: Recall Planck's constant equals6.63×10−34 J·s and the speed of light is ,3.00×108 m/s.   Calculate…

A: Electrons drops from the n1 = 2 state to n2 = 1 state.

Q: The solubility-product constant for Ce(IO3)3 is 3.2x10^-10. What is the Ce3+ concentration in a…

A: Given: Concentration of Ce3+ = 0.0450 M Volume of Ce3+ solution = 50.0 mL = 0.050 L  Concentration…

Q: toluene n-butanol reflux Dean-Stark trap 2 hours но но 4a 5. 1a

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Q: Given the cell notation: Fe(s) | Fe2* (aq) || Au3* | Au Identify the ff. 1. Reduction Half reaction:…

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

Q: Given the ff. reaction: 8 H* + MnO4 + 5 Cu* Mn2+ + 5 Cu2+ + 4 H2O Fill in the blanks: The oxidizing…

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Q: a. A 40.0 mL sample containing 0.0400 M Ni" was titrated with 0.0400 M EDTA at pH 11.0. Given pkyy…

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

Q: CH3 CH3 CH₂ CH₂ CH₂ CH CH CH 1-tert-butyl-8-isobutyl-4-isopropyldodecane (hyphenated words aren't…

A: Write IUPAC name of the given structure---

Q: Given the reaction: Cl₂ +2 KI→ 12 +2 KCl, which of the following statements is/are true? A Cl has an…

A: The species which oxidizes other species by reducing itself acts as oxidizing agent  The species…

Q: 14) 15) X- 16) HH x OH or OH

A: We have to give the required transformations.         N.B. According to the company guidelines, we…

Q: pH 1 Select Draw Rings More C H N CH, CH₂ £ H,C =CH H₂N C H O O H Erase pH 13 Select Draw Rings C…

A: Given : We have to predict the structure of given amino acid at different pH.

Q: Question 14 Calculate A S° for the reaction below? SO28) + 2 H2S(g) ------> 3 S(s; rhombic) + 2…

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Q: Which of the statements below is true for a reaction that is endothermic and leads to an decrease in…

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Q: 3500 3000 2500 Wavenumber (cm-1) 2000 1500 1000 Identify an unknown alcohol (1-butanol, isoamyl…

A: Infrared spectroscopy is the study of interaction of infrared light with matter, which can be used…

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a…

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Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. OH DMSO, (COCI)2 Et3N,…

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Q: Joules can be converted into units of energy known as calories: 1 Joule = .24 Calories To convert…

A: Given: Total work = 1299 J

Q: 15. Calculate the pH of a solution after 28.00 mL of 0.28 M acetic acid with 15.00 mL of 0.11 M…

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Q: Give the mechanism and give the IUPAC name of given Streture ? 1. LDA 2. Br FO 1441168 (111) FO (ii)…

A: Note : LDA is a bulky base. Therefore it will remove a proton secondary carbon not from tertiary…

Q: The following molecule undergoes hydrolysis. Draw the structures of the products. HO. НО OH OH -OOH…

A: Here we are required to predict the product formed after the hydrolysis of disaccharrides

Q: For an ideal monatomic gas, the following is true. (Use the following as necessary: T, U, and V.)…

A: Step 4 To determine the value of dUdVT  for Ideal monoatomic gas.

Q: The hydrolysis of a substrate, S, by an enzyme has been studied in the lab. The following initial…

A: The data given is,

Q: The following compound may undergo the Dieckmann condensation reaction (an intramolecular Claisen…

A: Detail mechanistic pathway is given below to find out the beta keto ester product

Q: 5. Column Chromatography works by the same principle as TLC however the silica gel is not plated on…

A: To answer question 5.

Q: What is the answer to this problem? A mixture of gases consists of Na, O2, H, and F2- The total…

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Q: Question 3:, following transformations. Make sure to include any proton transfer that takes place as…

A: below full mechanism step by step is show

Q: A 50.0 ml. solution of 0.108 M KOH is titrated with 0.216 M HCI. Calculate the pH of the solution…

A: Answer: This is the question based on the titration of strong acid against strong base where strong…

Q: 30 Si. Use the atomic masses on the table below to calculate Am for the change 14 N. 2 u Which is…

A: Mass defect is the difference between predicted mass and actual mass of an atom's nucleus

Q: The pH of a 0.24M solution of pentanoic acid (HC, H,0,) is measured to be 2.73. Calculate the acid…

A: In this question we have to tell the pH of the solution.

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into…

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Q: The mole fraction of cyclohexane in the vapor phase exceeds 0.50 when it is in equilibrium with…

A: Answer: Cyclohexane and benzene mixing would form an ideal solution, where vapor pressure of…

Q: 1. Use structures and words to show how the cyclization of the linear glucose molecule to the cyclic…

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

Q: How do you solve this problem? 12.34 L of a gas has a pressure of 1.91 atm. What is the volume of…

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Q: Find K for the following reaction at at 25°C. E cell = -0.10 V Cd²+ (aq) + Fe(s) -----> Cd(s) + Fe²+…

A: We have to predict the K for the reaction.

Q: A++ e-> A B2+ + 2 e-> B Under standard conditions A+ will oxidize B2+ A+ will oxidize B. A will…

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Q: 5. Determine whether the following are acidic, basic, or neutral: a. [OH-] = 2.5 × 107 b. [OH-] =…

A: Determine whether the following are acid, base or neutral :