Q: Determine the Ksp of the following reactions. a. NaC2H3O2 Na+ + C2H3O2- b. HBr H+ + Br c. Zn(OH)2…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
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Q: What reagents can be used to this picture? Choices : Potassium permanganate, Pyridinium…
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A: The strength of a chemical substance acidity is determined by its pKa value.
Q: Calculate Ksp for LiOH at 25 °C. Li+(aq) OH-(aq) LiOH(s) ΔG°f (kJ/mol) -293.3 -157.3 -441.5…
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Q: Give the balanced chemical equation and show a detailed arrow-pushing mechanism for the reaction of…
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Q: Which of the following will you use to find the Ka value for bromocresol green? Select one: a.The…
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Q: Drug A is a weak acid that has a pKa value of 4. For the Drug A dissolved in Buffer B, calculate…
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Q: Find (M) for [FeSCN^2+] using the following info: 0.200 M (Iron (III) nitrate) Fe(NO3)3 (mL) = 17.98…
A: The volume of 0.200 M Fe(NO3)3 solution is 17.98 mL. The volume of 0.200 M KSCN solution is 1.97 mL.
Q: 10. Given: PtCl4- (aq) + 2e · Pt(s) + 4 CI (aq) eº = U.755 V Pt2*(aq) + 2e¯ -> Pts) e° = 1.188 V…
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Q: 0.145 0.290 47.6 -0.145 3.45
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Q: Ksp (Q) values of lead(II) iodide Trial 1: 1.0 x 10-7 Trial 2: 7.5 x 10-8…
A: Solubility product is defined as the product of molar concentration of ions in a saturated solution…
Q: Determine the Ksp of the following reactions. a. NaC2H3O2 2 Na* + C2H3O2 b. HBr 2 H* + Br +2 c.…
A: Since we only answer up to three sub-parts, we'll answer the first three. Please resubmit the…
Q: SOLUBILITY TEST distilled water Litmus paper test OBSERVATIONS clear, colorless solution no change…
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Q: What is the predominant form of EDTA at > pH 10.0? y4- HY3- H3Y"
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Q: What is the correct order for the strenth of IMFA of the following substances? LiCl < H2O <…
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Q: 9.a) Reduction of [Co(NH;)«J** by [Cr(H2O)«J²* is very much slow that the reduction with [V(NH3)]**…
A: a). The reduction of [Co(NH3)6]3+ by [Cr(H2O)6]2+ is much slower than the reduction with[V(NH3)6]2+…
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A: I have solved it in the handwritten form.
Q: Why σ2px lie at higher energy level than π2py and π2pz in N2? 2-Discuss the structure of [Ni…
A: This can be explained by using the s-p mixing phenomenon. All the elements in the second period…
Q: A stock solution of alcohol dehydrogenase (ADH) has been diluted 1 in 10 and the absorbance reading…
A: Absorption coefficient = 1.6 ml/mg/cm Absorbance (A) = 0.04 Dilution = 10 times Complete solution…
Q: What is the solubility of Cr(OH)3 in g/l at pH 9.55? Ksp for Cr(OH)3 = 6.30 x 10-31?
A: From given Initially we are calculating molar solubility from Ksp formula and then we convert to…
Q: 4) Choose how many “occupied MOs" can occur for the conjugated n-system of B-carotene and LED…
A: These type of questions are based on pericyclic reactions let us discuss one by one.
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Q: Which is the principle species in EDTA solution at pH 7? H2Y2- H4Y H3Y- HY3- Y4-
A: According to the graph, the principle species in EDTA at pH 7 is HY3-.
Q: R or S Configuration
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Q: Mes- Mes Ru CI `Ph Mes. -Mes
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A: Given data: Mass of mixture = 1.0843 g, Total mass of oxide residue = 0.1344 g, Formula mass of AlQ3…
Q: Determine the Ksp of the following reactions. a. NaC2H3O2 Na* + C2H3O2 b. HBr 2 H* + Br c. Zn(OH)2 2…
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Q: The two structures for Iron - penta - carbonyl: Ço "Fe" oc co oc-FeCO co čo (A) (B) .Structure A has…
A: IR spectroscopy is also referred to as vibrational spectroscopy used for identifying the functional…
Q: The Ksp for BaF2 is 1.6x10^-6.What is tge concentration of Ba+2 ions in this solution?
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Q: A boiler burns fuel oil with 15% excess air. The fuel oil may be presented by C₁₄ H₃₀. Calculate the…
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Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CuS, 7.33 × 10-19…
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Q: The table below presents thermodynamic data for the dissociation reaction of acetic acid, CH3COOH…
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Q: 7. Write defect equations for the following reactions: (a) MgO doped with Li₂O (b) Slight reduction…
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Q: 9. The following molecular tweezers bind 2,4,5,7-tetranitrofluorenone (TENF). The association…
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Q: Calculate Eo for the following equation. Cr(s) + NO3-1(aq) →Cr+3(aq) + NO(g) Group of answer…
A: The Eo can be calculated by adding the reduction and oxidation potentials of the two half cells.…
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Q: Answer the question below directly. Identify the two geometric isomers of stilbene C6H5CH=CHC6H5…
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Q: Explain what happened during the fragmentation from m/z = 200 to m/z=198 and m/z =198 to m/z = 172.
A: A question based on Mass spectrum that is to be accomplished.
Q: What weight Fe2O3 (FW = 159.69) can be obtained from 2.63 g of Fe3O4 (FW = 231.53) by gravimetric…
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Q: 3. For the following electron transfer reactions, speculate whether the mechanism is outer sphere or…
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Q: Give the stereochemical outcome for each of the following reactions and assign the stereochemical…
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Q: 1.11 In an investigation of the thermodynamic properties of a-manganese, the following heat contents…
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Q: Determine the Ksp of the following reactions SnSO4⇌Sn+2 + SO4-2
A: The Ksp of the following reactions has to be determined below, SnSO4↔ Sn+2+SO4-2
Q: Find the AHrn for the following reaction: 2N29) + 502(9) → 2N,O5(9) given the following reactions…
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Calculate the Keq for the following reaction, given that Eo Cd2+/Cd = -0.403 V and Eo Zn2+/Zn = -0.763. Overall rxn: Cd2+ + Zn <-> Zn2+ + Cd
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- For the reaction 5Ce4+ + Mn 2+ + 4H2 O → 5Ce3+ + MnO4- + 8H+ , given E0 (Ce4+ /Ce3+ ) = 1.70V,E0 (MnO4- /Mn2+ ) = 1.507V, calculate ΔG0 for this reaction ?Given the following: A cell SCE // Ag2CrO4 (saturated), CrO42- (xM) /AG is used for the determination of pCrO4- (ESCE = -0.244 V at 25 C). The half reaction at indicator electrode is: Ag2CrO4(s) + 2e- 2 Ag(s) + CrO42- (E0 = +0.446 V) What is pCrO4, given the cell potential of 0.402? What type of indicator electrode is Ag in this situation?Given the standard reduction potentials (Eo’) for ubiquinone (Q) and NADP+provided below, consider the following questions.Q + 2H+ + 2e- ---> QH2 Eo’ = 0.04 VNADP+ + H+ + 2e- ---> NADPH Eo’ = -0.32 V - Calculate the standard ΔEo’ for the oxidation of NADPH by Q. From the reactantsin your derived redox reaction, indicate the oxidant and reductant.- Calculate the standard free energy of the redox reaction in part (a) and indicate if thereaction is exergonic or endergonic.
- Given a cell: 2 Ag+(aq) + Cu(s) ----> 2Ag (s) + Cu2+ (aq), E(cell) = 0.346 V, E0(cell) = E0cathode - E0anode = 0.800 V - 0.340 V = 0.460 V, I. calculate the concentration of Cu2+ given that of Ag+ is 1.0 x 10-5M Cu2+M= Keq =Given a cell: 2 Ag+(aq) + Cu(s) ----> 2Ag (s) + Cu2+ (aq), E(cell) = 0.346 V, E0(cell) = E0cathode - E0anode = 0.800 V - 0.340 V = 0.460 V, I. calculate the concentration of Cu2+ given that of Ag+ is 1.0 x 10-5MThe fat in a 1.821 g sample of potato chips is extracted with supercritical CO2. After extraction, the residue weighs 1.139 g. What is the fat content (% w/w) of the potato chips?
- Calculate the E0 for the reaction between S2- and Fe3+ that yields SO42- and Fe2+. Standard Gibbs Free energies as follows... S2- …….85.9 Fe3+……-8.56 Fe2+……-82.88 So42-……-744.0 This was all the information I was given. Thank you for helping me understand!In an unknown sample, the amount of ascorbic acid (C6H8O6) is determined using coulometry. Analysis of a 250.0 mg sample gives an endpoint with starch after reaction with electrogenerated iodine in 384 sec using a current of 30.0 mA. A) What specific type of coulometric method is used? B) What is the % ascorbic acid, (C6H8O6), (FW= 176.12 g/mol) in the sample?Nitrobenzene contained in 310 mg of an organic mixture was reduced to phenylhydroxylamine at a constant potential of 20.96 V applied to a mercury cathode: C6H5NO2 + 4H+ + 4e- → C6H5NHOH + H2O. The sample was dissolved in 100 mL of methanol. After 30 min of electrolysis, the reaction was considered complete. An electron coulometer in series with the cell indicated that the reduction required 33.74 C. Calculate the percentage of C6H5NO2 in the sample.
- The standard free energies of formation of several species are:kJ/molH+(aq) 0H2O(l) –237.0CH3OH(aq) –163.0HCOOH(aq) –351.4e– 0What is the standard reduction potential (Eo)of methanoic acid in aqueous solution (i.e., for HCOOH + 4H+ + 4e– →CH3OH + H2O)?Arsenic(III) sulfide is oxidized with concentrated nitric acid into arsenic acid and sulfuric acid, with release of nitrogen dioxide gas. Compile the balanced chemical eqn for this reaction using oxidation-reduction electron-ion half reaction method (must show explicitly your work). The sum of all stochiometric coefficients in this chemical eqn is: A 30 B 50 C 70 D None of those is correct. If so, what is your value?Deduce the equilibrium ratio of NH4+ to NO3- at a pH of 6.0 (a) for aerobic water having a pE value of +11, and (b) for anaerobic water for which the pE value is -3.
