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?

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?

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter11: Dynamic Electrochemistry

Section: Chapter Questions

Problem 10P

See similar textbooks

Similar questions

Calculate the E0 for the reaction between S2- and Fe3+ that yields SO42- and Fe2+.This was all I was given. I do not know where to start, what I need, or what I need to calculate first. There are no other instructions or parts to this question. I'm at a loss, where do I begin?
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.
When butanoic acid (7.0 mL) is dissolved in methanol (20 mL) and heated with a catalytic amount of concentrated sulfuric acid, methyl butanoate (6.5 mL) is isolated. Calculate the per cent yield for the formation of this product. (Use a mole for the process)
Consider the following half reactions in the attached image and their corresponding standard reduction potentials: 1. Consider the overall reaction wherein a pair of electrons passes from lactate to oxaloacetate. a. The overall net potential (ΔE°) (report up to two decimal places) for this reaction is _________ V. b. The standard Gibbs free energy for this reaction (report up to two decimal places) is ________ kJ/mol. c. The equilibrium constant (Keq) for this reaction (up to two decimal places) is ____________ .
(Please give clear handwritten answer) 0.1 M HNO3 solution at 298K was electrolyzed in Hittorf cell using platinum electrodes. After electrolysis, 34.2 mg of copper was deposited in coulometer which in series with the Hittorf cell. 50 mL of HNO3 solution was withdrawn from anode compartment after electrolysis and found to have a concentration of 0.0821 M. [Atomic mass Cu = 63]. (i) Find the transference number of H + and NO3 −. (ii) If 50 mL HNO3 solution was run off from cathode compartment, what would its concentration be?
Below are the reduction half reactions for chemolithoautotrophic nitrification, where ammonia is a source of electrons and energy and oxygen is the terminal electron acceptor. NO2- + 6e- -> NH4+ (E0 = +0.34 volts) O2 + 4e- -> 2H2O (E0 = +0.82 volts) If you balance and combine the reactions so that 293 moles of NH4+are oxidized to NO2-, how many moles of electrons will be transferred from Nitrogen to Oxygen?
A 0.2653 g of pure potassium dichromate was dissolved in 15 mL of 1.5 M sulfuric acid and transferred to a 250.0 mL volumetric flask and diluted to the mark with distilled water. A 25.0 mL aliquot of this solution was transferred to another 250.0 mL volumetric flask and diluted to the mark with distilled water and this solution has an absorbance 0f 0.387 in a 2.00 cm cell. Calculate the molar absorptivity of potassium dichromate.
(a) Can ultraviolet light (over a wavelength range from 200 to 400 nm) be applied to operate the photodissociation of water using a titanium dioxide (TiO2) photoanode? Explain your answer. (b) On-board hydrogen storage seriously prohibits the utilization of fuel cell cars. What are the main problems of the on-board fuel storage the users may encounter? (c) Please briefly describe the hydrogen storage mechanism of chemical hydrides.
What is the purpose of adding CaCO3 or NaHCO3 in the Mohr Method determination of chloride? Please answer in TEXT form so I can copy the text. Please. Thank you!!!
What is the purpose of immersing the electrode in a saturated KCl solution? Is it proper to store the electrode in deionized water? Why or why not? Explain clearly and thoroughly.
2 Two nitroimidazole drugs, misonidazole and tinidazole have single-electron reduction potentials of -0.389 V and -0.464 V respectively: Misonidazole + e- ➝ Misonidazole·- E0 = -0.389 V Tinidazole + e- ➝ Tinidazole·- E0 = -0.464 V The reduction potential of the NADH/NAD couple is -0.324 V, and the reduction potential of the ferrodoxin couple is -0.460 V: NAD+ + e- ➝ NADH E0 = -0.324 V [Ferrodoxin]3+ + e- ➝ [Ferrodoxin]2+ E0 = -0.460 V Explain which, if any, of misonidazole and tinidazole will be selectively reduced in protozoa over mammalian cells. In your answer you should calculate any reduction potentials you need.
Write the relevant half-reactions, then combine them into a full reaction, for Fe2+ oxidation to Fe3+ by O2 going to H2O