Can you help with the drawn mec Fe(III) + H-O¯ + H-O• (b)202°1. H₂O2. Fe(II) or Cu(I)

(i)Superoxide ion (O2-) is a highly reactive species that can undergo various reactions. One…

Answered: Fe(III) + H-O¯ + H-O• (b) 202° 1. H₂O…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter21: The Chemistry Of The Main Group Elements

Section: Chapter Questions

Problem 128SCQ

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Three reactions very important to the semiconductor industry are The reduction of silicon dioxide to crude silicon, SiO2(s) + 2 C(s) → Si(s) + 2 CO(g) ΔrH° = 689.9 kJ/mol The formation of silicon tetrachloride from crude silicon, Si(s) + 2 Cl2(g) → SiCl4(g) ΔrH° = −657.01 kJ/mol The reduction of silicon tetrachloride to pure silicon with magnesium, SiCl4(g) + 2 Mg(s) → 2 MgCl2(s) + Si(s) ΔrH° = −625.6 kJ/mol Calculate the overall enthalpy change when 1.00 mol sand, SiO2, changes into very pure silicon by this series of reactions.
An aqueous solution of an unknown salt of vanadium is electrolyzed by a current of 2.50 amps for 1.90 hours. The electroplating is carried out with an efficiency of 95.0%, resulting in a deposit of 2.850 g of vanadium. a How many faradays are required to deposit the vanadium? b What is the charge on the vanadium ions (based on your calculations)?
Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If a plant has a continuous capacity of 1.00 million A, what mass of aluminum can be produced in 2.00 h?
When carbon dioxide dissolves in water it reacts to produce carbonic acid, H2CO3(aq), which can ionize in two steps. H2CO3(aq)HCO3(aq)+H+(aq)Kc1=4.2107HCO3(aq)CO32(aq)+H+(aq)Kc2=4.81011 Calculate the equilibrium constant for the reaction H2CO3(aq)CO32(aq)+2H+(aq)
(ii) The thermite reaction can be used to join railway tracks together. Aluminium is used in this reaction to produce iron from iron oxide. Fe,0, + 2Al 2Fe + Al,O, Explain why this reaction is a redox reaction.
8. In the following reaction i) ii) iii) iv) Zn(s) + 12(s)→→→→→→ Zn²+ (aq) + 21 (aq) - Which species is being oxidized? () Which species is being reduced? (1 Which species is the oxidizing agent? Which species is the reducing agent? ( 9. Consider the following equilibrium: N2(g) +202(g) = 2NO2(g) Calculate the value of the equilibrium constant if 0.0013 moles of N₂, 0.0013 mols of O₂, and 0.0028 moles of NO₂ are present in a 50mL flask at 35°C. 5
a student carries out this chemical reaction in a beaker Zn+CuCl2 -> Cu+ZnCl2 after the reaction has come to completion, what should the student expect to find in the beaker ?
1. A sample containing magnetite, Fe;O4, was analyzed by dissolving a 1.5419-g sample in concentrated HCl, giving a mixture of Fe²+ and Fe+. After adding HNO3 to oxidize any Fe2+ to Fe+, the resulting solution was diluted with water and the Fe precipitated as Fe(OH)3 by adding NH3. After filtering and rinsing, the residue was ignited, resulting to 0.8525 g of pure Fe2O3. Calculate the: a) % (w/w) Fe b) % (w/w) Fe;O4 in the sample.
An electrolytic cell contans 50.0 mL of a 0.152 M solution of FeCl3.A current of 0.775 A is passed through the cell, causing deposition of iron at the cathode. What is the concentration of Fe3+(aq) in the cell after this current has run for 20.0 minutes?
can cadmium metal (Cd(s)) reduce cobalt (II) ions (Co2+(aq)) to cobalt metal?
To further investigate the reactivity of silver, the student submerges a piece of metallic scandium, Sc (s), in a solution of AgNO3 (aq) and observes that the following reaction occurs. Sc(s) + 3 AGNO3 (ag) →3 Ag(s) + Sc(NO3); (aq) (k) Write the balanced net-ionic equation for the reaction. B IU x² X, 3 Ĉ Ω 0/10000 Word Limit
The following reaction occurs in acid solution. Identify the reducing agent. (Note: The equation is not balanced.) Fe2*(aq) + Cr2O (aq) + H*(aq) → Cr*(aq) + Fe3*(aq) + H2O(I) O H20(e) O Fe2(s) O Cr20,2 (aq) O Cr3"(aq) OH (aq)

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Fe(III) + H-O¯ + H-O• (b) 202° 1. H₂O 2. Fe(II) or Cu(I)