7. Titanium can be extracted from its ore by two different methods. One uses a more reactivemetal to displace the titanium:TIO, + 2 Mg - Ti + 2 MgoThe second method is electrolysis of the ore. The overall reaction for this method is:TIO, - Ti + 0,a) Calculate the atom economy for each reaction.b) Which method is 'greener'? What else might you want to know before making a finaldecision?...........) Oxygen is a useful product and can be sold. What is the atom economy of theelectrolysis if the oxygen is collected and sold?*.............

Answered: Image /qna-images/answer/ea072ff8-3f43-484a-877b-ed6fd5d6d9e6.jpg

Answered: 7. Titanium can be extracted from its…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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[Review Topics] [References) Use the References to access important values if needed for this question. Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: I2(s) + 2Cu*(aq)–→21(aq) + 2Cu²*(ag) Answer: kJ K for this reaction would be than one. Submit Answer Retry Entire Group 9 more group attempts remaining
Consider a modification to the Hall-Heroult process for aluminum production, where we keep things the same but replace the carbon electrode by something inert. The original process requires three electrons to produce one atom of Al metal and is: (1/2) Al½O3 + (3/4) C → Al + (3/4) CO2 Suppose that the new process also requires three electrons and is (1/2) Al,O; → Al + (3/4) O2 If the energy, E, produced from the reaction C + O2 → CO2 is 4.08 eV per carbon atom, how much would the voltage need to be increased in order produce aluminum assuming that the energy from the oxidation of carbon to carbon dioxide is replaced by electrical energy in the process?
Complete and balance the equation for this reaction in acidic solution. equation: MnO, + HNO, – NO, + Mn2+ Which element is oxidized? N Mn Which element is reduced? N Mn Which species is the oxidizing agent? MnO, HNO, O H,0 Which species is the reducing agent? MnO, HNO, H,0
5. With the help of the table of standard reduction potentials, Calculate the E of the reaction between Chromium (II) ions and Tin (IV) ions forming Chromium (III) ions and tin (II) ions.
Table 20.1 Half Reaction F2 (g) + 2e7 Cl2 (g) + 2e Br2 (1) + 2e 2C1™ (aq) 2Br (aq) O2 (g) + 4H+ (aq) + 4e¯ Ag (s) → Ag+ e Fe3+ (aq) + e 12 (s) + 2e™ Cu2+ + 2e 2H+ 2e Pb2+ + 2e™ Ni2+ + 2e Lit + e 2F (aq) - Fe2+ (aq) 21 (aq) Cu (s) H2 (8) Pb (s) Ni (s) Li (s) E°(V) +2.87 +1.359 +1.065 2H₂0 (1) +1.23 +0.799 +0.771 +0.536 +0.34 0 -0.126 -0.28 -3.05 21) Using Table 20.1, which substance can oxidize I (aq) to 12 (s)? A) Cu²+ (aq) B) Br (aq) C) Ag (s) D) Br2 (1) E) Ni2+ (aq)
(III) ion? 6. The sulfite ions, SO;², is strong reducing agent. a. Balance the following half reaction: SO,² > SO,² (under acidic conditions) D. Write out the balanced reaction for the reduction of Fe*3 to Fe*2 with SO,² reducing agent. 7. Iron(II) compounds in foods are more easily absorbed by the body than iron(III) compounds. Based on the experiment, why is adequate amounts of Vitamin C necessary for good health? Experiment 9 0xidation and Rodusti
12. Which of the following statements is not correct regarding the following redox reaction? MnO2 + 4HCI –→ MnCl2 + Cl2 + 2H2O Manganese(IV) oxide is the oxidizing agent. b. Chloride is oxidized. a. The oxidation number of Mn changes from +4 to +2. d. The oxidation number of Cl changes from -1 to 0. One electron is transferred from manganese to each chloride. с. е.
9.)
Which of the following represents the reduction half-reaction for cobalt/cobalt(II)? A) Co --> Co2+ + 2e– B) Co + 2e– --> Co2– C) Co2+ + 2e– --> Co D) Co2+ --> Co + 2e–
What is the free energy change for the following reaction at 25 °C if the entropy change at this temperature is - 10 J/molK? 3 A (g) + B (s) 2 C (g) + 3.40 kJ ------ OA. 3.30 kJ/mol O B. + 0.420 kJ/mol - 6.38 kJ/mol OC. -0.420 kJ/mol OD. + 6.38 kJ/mol OE.
Use this reaction to answer the following question :FeO + Zn(s) --------->. ZnO + Fe(s)What is the Oxidizing Agent?

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