Consider the insoluble compound zinc sulfide , ZnS. The zinc ion also forms a complex with hydroxide ions. Write a balanced net ionic equation to show why the solubility of ZnS (s) increases in the presence of hydroxide ions and calculate the equilibrium constant for this reaction. For Zn(OH)42-, Kf = 2.9x1015. Be sure to specify states such as (aq) or (s). + + K =

Q: Reset Help HCN(1) + H20(1) CN- (aq) + H3O* (aq) HSO, (aq) + H20(1) = H3O* (aq) + S0,- (aq) HCI(1) +…

A: Lower the pka value more will be the acidic nature  Higher the pka value lesser will be the acidic…

Q: Benzene has the following roots for the Huckel polynomial: x=-2, -1, -1, +1, +1, +2 a) Derive the…

A:

Q: The rate of the reaction: CH;COOC,Hs(aq) + OH'(aq) → CH;COO"(aq) + CH;OH(aq) was measured at several…

A:

Q: 0. Use the data in the table below to help you answer the following question: Compound AHr kJ mol-…

A:

Q: Magnesium metal is very close to being a hexagonal close-packed array of atoms. X-ray studies show…

A:

Q: 9. Draw Lewis structures for the following molecules. C,H2 CH;OH CH4

A: Lewis structure: Representing the covalent bonding that indicates where the valance shell electrons…

Q: Q4) Name of the technique that is used for Standardization of sodiums bydroxide solution is   a)…

A: acid-base titration   It is an acid-base titration. The sodium hydroxide is an alkali whose…

Q: Br CI CI

A:

Q: What is the binding energy in kJ/mol nucleons for gallium-71? 5.97x10^10 ] k]/mol nucleons 31 H+…

A: Binding energy can be calculated as follows

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen according to the…

A:

Q: Identify the Brønsted–Lowry acid–base pairs in each of the following equations:…

A: In chemistry, a Bronsted-Lowry acid is any species that can donate a proton (H+) to another…

Q: The pH of a buffer that contains 1.100 M NH3 and 1.300 M NH4+ is 9.17. What would be the new pH if a…

A: Given,  Volume of the buffer = 400 mL  Molarity of weak base, NH3 = 1.100 M  Molarity of conjugate…

Q: A multivitamin sample has a label claim of 500 mg ascorbic acid (176.12 g/mol). According to quality…

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

Q: Compare the pH readings of the two buffers. Determine which buffer had the greater buffering…

A: The unique characteristic of a pH buffer is that it has a specific pH level and is resistant to any…

Q: How many mL of 3.000 M NaOH solution are needed to react with 2.000 g H3PO4 ?  The molar mass of…

A:

Q: The ionic radii (for C.N. = 6) for Cs+ and I- are 1.81 Å and 2.06 Å, respectively. a. Using radius…

A:

Q: Given the equation Ag*(aq) + 2 NH, (aq) - [Ag(NH,),]*(aq) Kf = 2.00 x 107 determine the…

A:

Q: Give a clear handwritten answer and Explain...?

A: The given statement is true. As It can be oxidized by losing two protons and two electron to form…

Q: A) How many grams of Mgl, is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

A:

Q: 4. Determine the difference in electronegativity ( JAe.n.|) for each of the following bonds, then…

A:

Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

A: First of all we have to calculate the moles of Fe2O3. From that only we get the moles of Fe and…

Q: 3. Calculate cell voltages under the following conditions at 25°C: a) ZnlZn (0.50 M)I Cư" (0.10…

A:

Q: A 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

A:

Q: A standard galvanic cell is constructed in which a Cd2+ | Cd half cell acts as the cathode. Which of…

A: The lower standard reduction potential always undergo oxidation  The higher standard reduction…

Q: 1. The first order rate constant for the decomposition of N205, according to the reaction: 2 N2O5(g)…

A:

Q: 13) Please circle any of the following nuclides are most likely to decay via electron capture: Na-26…

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

Q: After adding precise amount of HCl to antacid tablet, the contents of the flask were heated to…

A: Antacid is used to remove the acidity in stomach. Antacids are usually basic.  Antacid help to…

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: Which one of the following is a diprotic acid?

A:

Q: solve question Q9) After adding precise amount of HCI to antacid tablet, the contents of the flask…

A: #Q.9: The main constituent in an antacid is sodium bicarbonate, NaHCO3.

Q: Describe the preparation of: a. 500.0 mL of 0.0750 M AgNO3 from the solid reagent. b. 2.00 L of…

A:

Q: Given the compound: [Co(en)2(OH)2]OH, what is the three dimensional arrangement for the complex?…

A:

Q: What is the line formula of Alkane, Alkene and Alkyne if n=4?

A:

Q: . Calculate cell voltages under the following conditions at 25°C: a) Zn zn" (0.50 M)lcư* (0.10 M) Cu…

A:

Q: (a) For the reaction Cu(c) + Hg22+(aq) = Cu2+(aq) + 2Hg(I) compute the standard state enthalpy…

A: Given reaction is :  Cu (s) + Hg22+  (aq) -----------> Cu2+ (aq) + 2Hg (l)  a). Determine the…

Q: experiment, use the experimental standard cell potential, the experimental nonstandard cell…

A: Given E°cell = 1.10 V Ecell = 1.08 V [Zn2+] = 0.10 M n = number of electrons transferred =2 Net cell…

Q: Draw the expected major products from the reaction sequence shown below. 1.03 Halovor HC

A:

Q: For breakfast, the nihilistic Rick Sanchez ate 100 g of cereal mixed with 20 g of milk. A 1.500 g…

A: Given: The molar mass of N (nitrogen) is 14.07 g/mol. For cereal: The amount of cereal consumed is…

Q: 1. One key to predicting the relative strength of an acid is to look at its conjugate base and judge…

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

Q: Below is a representation of lysine with three incomplete functional groups in dashed boxes labeled…

A:

Q: 3. Calculate cell voltages under the following conditions at 25°C: a) Zn lzn" (0.50 M)|Cu" (0.10…

A:

Q: What is the mole fraction of CaBr2 in a 20%(by mass) aqueous solution?

A:

Q: Une key to predicting the relative strength of an acid is to look at its conjugate base and judge…

A: Since you have posted with multiple questions with multiple sub-parts, so as per guidelines we will…

Q: Determine E° for a galvanic (voltaic) cell if ∆G° = -6.1 kJ/mol and n = 3. (F = 96,500 J/(V･mol))

A: Given,  ∆G° = -6.1 kJ/mol and n = 3. (F = 96,500 J/(V･mol) □G° = -nFE°

Q: Hatsume Mei wanted to maintain the pH of a certain solution within a specified range. What should…

A:

Q: What is the pH range the buffer can maintain this buffer system: pyridine and pyridinium bromide?…

A: From Handerson Hesselblach equation  POH= Pkb + log(salt/base)  For Pyridine Kb= 1.8×10-9 POH= -log…

Q: Q11) The following symbol indicates a) Toxic chemicals b) Oxidizing reagent c) Harmful iritant d)…

A: A substance that may cause irritation to skin , eyes or inside our body is called harmful irritant.

Q: 2. Calculate E°, AG° and K at 25°C for the reaction: 4CIO, (ag) - Cl (ag) 3CIO, (a9)

A:

Q: )  If a reaction has the rate law v = k[A]1[B]0 then what is the power of M that appears in the…

A:

Q: ive the or the gaivanic celnS Ba ing Hail-r əəp pu p uonenbə uəɔ pƏ: (Use the lowest possible…

A: