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...

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