A. +213. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent?C. H₂OB. 0₂A. H₂D. None of the choices14. In the reaction, 2H₂ (g) + O₂(g) → 2H₂O (g), which of the following is the reducing agent?C. H₂OA. H₂B. 02D. None of the choices15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide?Fe2O3(s) + 3CO(g) → 2Fe(s) + 3C02(g)C.0 +2A. +2 0B. +3-0D. No change16. A reducing agent reduces other substances and loses electrons; therefore, its oxidation state willC. stay the sameB. increaseA. decrease?D. none of the choices17. A monoatomic ion has an oxidation state equal to its charge. What is the oxidation state of Ca²+?A. +2B. +1C.0D.-218. In the reaction, Fe2O3 (1) + CO (g) → Fe (I) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D. 419. In the reaction, Fe2O3 (1) + CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain?A. 1B. 2C. 3D. 420. Which of the following refers to the branch of chemistry that deals with the conversion of electrical energy into chemical energyor chemical energy to electrical energy?A. AnatomyC. ThermodynamicsD. PhysicsB. Electrochemistry21. Reduction potential is measured in what units?A. AmperesB. OhmsC. VoltsD. None of the choices22. When performing galvanic cell, what is the standard conditions for the solutions?A. 1 MB. 2 MC. 3MD. 4 M23. The redox reaction happening in a galvanic cell permits the flow of what kind of particle shown in a voltmeter?D. ProtonsC. NeutronsA. ElectrolyteB. Electrons

Since you have asked multiple questions, we will answer the first three for you. Kindly post the…

A. +2 13. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent? C. H₂O B. 0₂ A. H₂ 14. In the reaction, 2H₂ (g) + O₂(g) → 2H₂O (g), which of the following is the reducing agent? A. H₂ B. 02 C. H₂O 15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide? Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) C.0 +2 A. +2-0 B. +3-0 Jucer other substances and loses electrons; therefore, its oxidation state will D. None of the choices D. None of the choices D. No change ? Drone of the choices

A. +2 13. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent? C. H₂O B. 0₂ A. H₂ 14. In the reaction, 2H₂ (g) + O₂(g) → 2H₂O (g), which of the following is the reducing agent? A. H₂ B. 02 C. H₂O 15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide? Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) C.0 +2 A. +2-0 B. +3-0 Jucer other substances and loses electrons; therefore, its oxidation state will D. None of the choices D. None of the choices D. No change ? Drone of the choices

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...

See similar textbooks

Similar questions

Shelaraan Wifey De Malang 18. So, (aq) + H,0(e) so, (aq) + 2H*(aq) + 2e Which of the following ions could be used to oxidise sulfite ions to sulfate ions? Cr"(aq) AL*(aq) Fe (aq) B. D. Sn(aq) Milad
1.) Which describes oxidation-number composition in Fe3O4? A. 1 iron ion (ON =+ 2), 3 iron ions (ON = +3 each), four oxide ions (ON = -8 each) B. 2 iron ions (ON = +2 each), 1 iron ion (ON =+3), four oxide ions (ON = -2 each) %3D C. 1 iron ion (ON = +2), 2 iron ions (ON = +3 each), four oxide ions (ON = -2 each) D. 3 iron ions (ON = +2 each), 1 iron ion (ON =+3 each), two peroxide ions (ON=-1 per oxygen)
Which of the following transformations is an example of an oxidation? Br "OH OH B "OH C HO.
1. A 125 mL sample of orange juice was titrated using a redox reaction to the equivalence point with the addition of 7.6 mL of a 0.0025M iodine (I) solution. What is the concentration of vitamin C (CH,O) in this sample? (Note that 1,000 mM = 1 M) a. 30 mM b. 15 mM c. 19 mM CHO (aq) + (aq) → CHO (aq) + 21 (aq) + 2H (aq) ->>> d. 0.30 mM e. 0.15 mM
a. Determine whether the reaction is a REDOX reaction b. If the reaction is a REDOX reaction, identify the element being oxidized and the element being reduced c. If the reaction is a REDOX reaction, identify the oxidizing agent and the reducing agent 12. SO3(g)+H2O(l)--> HsSO4(aq)
4. Determine the oxidation numbers of each of the elements in the following reactions, and identify which of them are oxidized reduced, if any. a) 2 MNCOS(g)+ O:(g) 2 MnO:(s) + 2 CO:(g) b) 3 NO:(g) + H:O(1) 2 NO5 (aq)+ NO(g) + 2 H*(aq)
In which one of the following reactions is sulfur reduced? A. H2S(aq) + H2O(l) → HS–(aq) + H3O+(aq) B. Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O C. H2SO4 + 2KOH → K2SO4 + H2O D. CS2 + 3O2 → CO2 + 2SO2 E. 2NaHSO3 + H2SO4 → Na2SO4 + 2SO2 + 2H2O
17. Predict which product would be formed when Zn(s) reacts with HCl(aq) in a single-replacement reaction. Zn(s) +HCl(aq) ⟶ ______________ a. ZnH2(s) b. ZnH(s) c, ZnCl2(aq) d, ZnCl(aq) Please describe/explain how you predicted the product.
Identify the substances that are oxidized and reduced in each of the following reactions: a. Mg(s) + 2H*(aq) → b. 2Al(s) + 3Br.(g) Mg (aq) + H2(g) 2AIBT:(s)
Identify the reducing and oxidizing agents and determine the species that is oxidized and the species that is reduced. Mg Fe2+ Mg 2+ a. Fe b. Cu2+ Sn Sn2+ Cu с. H2 CH2=CH2 CH3CH3 Reducing agent Oxidizing agent Species being reduced Species being oxidized
In the following reaction, identify the oxidizing agent. Cu(NO3)2 (aq) + 2 V(NO3)2 (aq) Cu (s) + 2 V(NO3)4 (aq) A. NO3 B. Cu2+ O C. V4+ D. V2. O E. Cu°
For each of the following reactions, identify the elements that are oxidized and reduced, the oxidizing and reducing agents, and how many moles of electrons are transferred in the overall reaction. a. 4Fe(s) + 302(g) → 2Fe2O3(s) b. 2Ag(s) + H2S(g) → Ag2S(s) + H2(g) c. 2 Al(s) + 3 CuCl2(aq) → 2 AlCl3(aq) + 3 Cu(s) d. 2NaHCO3(s) → Na2CO3(s) + H20(1) + CO2(g) e. CH4(g) + 2 02(g) → CO2(g) + 2H2O(1)