Pick the correct equilibrium expression for the following reaction. 2 SO2(g) + 2 H2O(g) ↔ 2 H2S(g) + 3 O2(g)

Q: When the Agt concentration is 8.20 x 10-4 M, the observed cell potential at 298 K for an…

A:

Q: If a system produces 173.0 kJ of heat and does 45.0 kJ of work on the surroundings, what is the ∆E…

A: Given        q = - 173 KJ ( since heat produces)        W = - 45 KJ ( since work done by the system)…

Q: Formulation of aspirin tablet

A: Aspirin can be synthesized by treating acetic anhydride with salicylic acid in presence of sulphuric…

Q: Compare and contrast the positive and negative effects that result from the use of the Haber…

A: The Haber process has many advantages. It aids the agricultural sector (fertilizers) It has use in…

Q: A blood sample is assayed for creatine kinase activity. It is found that after 2 minutes of…

A: Here it is an simple calculation.  We simply needs to devide the produced micromole of phosphate by…

Q: Calculate the cell potential for this reaction, in the direction shown, at 298 K. 2+ Co²+ (1.25 M)→…

A: Solving only first question in accordance with the guidelines. We will calculate Ecell using nernst…

Q: Draw the products of the reaction sequence shown below. Ignore inorganic byproducts. H3O+ heat O…

A: Esters undergo hydrolysis reaction when treated with dilute acids to form carboxylic acid and…

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

A: From iron oxide (iron ore), pure iron can be produced. It consists of 2 steps. These two steps are-…

Q: The amount of 13(aq) in a solution can be determined by titration with a solution containing a known…

A: Given -> Volume of Na2S2O3 = 27.8 ml = V1 Molarity of Na2S2O3 = 0.200 M = M1 Volume of I3- = 20.0…

Q: 1. Write the major product(s) of the following reactions. Indicate whether the reaction is…

A: The given reaction involved a nucleophilic addition reaction of alkene in which the nucleophile…

Q: For the following reaction, 6.82 grams of water are mixed with excess carbon monoxide. The reaction…

A: we have to calculate the theoretical yield and percentage yield for the given reactions

Q: QUESTION 6 Use bond enthalpies to estimate AHrxn for the combustion of methane, CH4, the major…

A: Bond enthalpies can be used to estimate the heat of a reaction ΔH(reaction) = (sum of the bond…

Q: Whats the difference between sigma and pi bonds?

A:

Q: nd oxygen react to form mercury(11) ox (1)+O₂(g) → 2 HgO(s) in temperature, a chemist finds that a…

A:

Q: which of the following activation would afford 1 and 2 respectively? HỌ 1. activation H₂CO WH…

A: PBr3/Py produces inversion of stereochemistry in the bromination of alcohol.  TsCl/Py makes the Oh…

Q: d. Provide an arrow-pushing mechanism for the reaction. LOH 1. NaOH 2. CH3CH₂l IN jo N H…

A:

Q: How many moles of gas are contained in a sample of gas that occupies 24.9 L at 0.97 atm and 256.2 K?

A:

Q: What is the cell potential of the following electrochemical cell? (Report your answer to 2…

A: Recall the given cell notation,                                Ni s | Ni2+ aq, 0.10 M || Ni2+ aq,…

Q: use curved arrows to give the step-wise mechanism for the bromination of anisole to provide the…

A:

Q: Three reactions between a Grignard reagent and a carbonyl compound are given. Draw the main organic…

A:

Q: A sample of solid graphite is heated with an electrical coil. If 155 J is added to a 15.0- gram…

A: Given : for graphite : mass = 15 g         Heat = 155 J , initial temperature= 20.7°C  Tip : q=mc∆T

Q: Alpha particles produced by radioactive decay eventually pick up electrons from their surroundings…

A: Given, mass of pure R226a = 1.20 g Time, T = 162 yr half life = 1.60 ×103 yr

Q: Consider the following acid-base reaction: H3O+ + HPO42- H₂PO4 + H₂O Identify the Bronsted-Lowry…

A: Answer:- This question is answered by using the simple concept of Bronsted Lowry concept of base…

Q: What mass is equal to 24.3 mols of gold chloride (AuCl 3)?

A: Given : mass of Au and Cl  Tip : step-1: calculate molar mass of AuCl3  Step-2: multiply 24.3 mol…

Q: T-Mobile LTE Done QUESTION 4 10:25 PM 6 of 6 Which of the following statements is not correct? A.…

A: Ka is the dissociation constant of acid and more is the value dissociation constant more is the…

Q: A solution that has 1.457 mol KCl in 1.500 L is _______ M in KCl.

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

Q: ß-carotene precursor is an antioxidant and a to vitamin A found in carrots and other brightly…

A:

Q: 5.42. For the reaction 2Na (g) = Na₂ (g) the following values of K have been determined (C. T. Ewing…

A: Here, we needs to consider the the relationship between equilibrium constant, tempreture and ∆H. Use…

Q: - Part A Rank these liquids by their expected surface tension. Rank from greatest to least surface…

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

Q: The cell 2- SCE// Ag₂ CrO4 (sat'd), CrO4 ²- (xM) /Ag is employed for the determination of pCrO4-.…

A:

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. NaOEt, room temperature 2.…

A: Here the reaction between an acid and sodium ethoxide is an acid base reaction which leads to…

Q: Find the number of H2O molecules in 3.80 liters (3800 cm3) of water.

A:

Q: Calculate the activation energy, in kJ/mol, for the redox Sn²+ + 2Co³+→→ Sn^+ + 2Co²+. T(°C) 2 27 k…

A: Given data T(°C) k (M-1 s-1) 2 3.12×10-3 27 27.0×10-3

Q: Which of the following conditions would give a leaving group with the right stereochemistry?

A: There must be retention of configuration in the reaction as the stereochemistry is same that is…

Q: Nuclear Magnetic Resonance 1. Compound 1 is a liquid at room temperature (bp-130°C) Elemental…

A: IR spectroscopy is used to determine the functional groups present in the sample. Mass spectrometry…

Q: Calculate the cell potential for this reaction, in the direction shown, at 298 K. sited Zn²+ (1.08…

A:

Q: Give the molecular geometry of the following molecule O linear trigonal planar tetrahedral trigonal…

A:

Q: If it takes 23.8 mL of a 1.85M stock solution of HCL to neutralize 50.0 mL of an NaOH solution, what…

A:

Q: 2+ Determine the cell potential (E) from the following half-cells: Pbº/Pb²+ and Znº/Zn² where [Pb²+]…

A:

Q: Use the standard reduction potentials located in the 'Tables' linked above to calculate the standard…

A: Answer: In the given cell reaction Cr3+ is getting reduced into Cr2+ and Cd is getting oxidized into…

Q: The compound [Fe(H2O)6]SO2 has a pale green color. The compound K4[Fe(CN)6] has a bright yellow…

A: ANS. correct option is B) H2O produces a stronger ligand field than CN−   actually CN- is strong…

Q: Example: You wish to prepare a calibration curve for the spectrophotometric determination of…

A: The formulae are given in the question to calculate the volume of stock solution for the preparation…

Q: Draw the two possible products of this reaction that result from the less stable enolate and the…

A:

Q: The protein insulin has an isoelectric point of pI = 5.40. This is the pH at which the number of…

A: Proteins are polymers of amino acids. Due to the presence of side chains containing different…

Q: Writing the pressure equilibrium expression for a heterogeneous equilibr Write the pressure…

A: Rules for writing the equilibrium constant expression for an equilibrium reaction are   Equilibrium…

Q: Macmillan Learning A 4.91 g sample of a laboratory solution contains 1.04 g of acid. What is the…

A: Given : mass of acid = 1.04 g               Mass of solution = 4.91 g  Concentration (w/w. %) =…

Q: Calculate the cell potential for the following reaction that takes place in an electrochemical cell…

A: Answer:

Q: QUESTION 4 Which is the most stable resonance structure for OCS (S, 2.5), (C, 2.5), (0, 3.5)? A…

A: we have to select the most stable Lewis structure for OCS

Q: 20. Consider the following rate law and give the correct units for the rate constant, k, that…

A: Given : R------>P                Rate = K[R]n Tip : for nth order  Unit of K = (L/mol)n-1 S-1

Q: ach of He O alpha particle beta particle O positron O gamma ray O proton neutron Submit Part B O…

A: Given : particle  Tip : alpha particle has 4 unit mass    Position has +1 charge  Gaama ray has…