Which of the following reactions would be classified as oxidation-reduction? Check all that apply. View Available Hint(s) 2Na(s) + Cl₂ (g)→2NaCl(s) Na(s) + CuCl(aq)→NaCl(aq) + Cu(s) [ NaCN(aq)+CuCl(aq)→NaCl(aq) +CuCN(s) Submit

Which of the following reactions would be classified as oxidation-reduction? Check all that apply. View Available Hint(s) 2Na(s) + Cl₂ (g)→2NaCl(s) Na(s) + CuCl(aq)→NaCl(aq) + Cu(s) [ NaCN(aq)+CuCl(aq)→NaCl(aq) +CuCN(s) Submit

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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Concept explainers

Science behind corrosion-test

Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.

Corrosion

Question

<W5 Assignment 1: MyMastering Chapter 7 Homework
Core Chemistry Skill: Identifying Oxidized and Reduced Substances
ab
In oxidation-reduction reactions, one substance loses electrons
(oxidation) while another substance gains electrons (reduction). A
convenient way to recognize oxidation is to look for an increase in
charge. Similarly, a convenient way to recognize reduction is to
look for a decrease in charge.
Consider the following equation:
2MgO(s)→2Mg(s) + O₂(g)
Here is the same reaction, but with the ionic compound MgO
rewritten to show its individual ions:
2Mg²+ +20²- 2Mg(s) + O₂(g)
Now it is much clearer to see that magnesium decreases in
charge (reduction) while oxygen increases in charge (oxidation).
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Which of the following reactions would be classified as oxidation-reduction?
Check all that apply.
► View Available Hint(s)
Provide Feedback
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2Na(s) + Cl₂ (g)+2NaCl(s)
Na(s) + CuCl(aq)-NaCl(aq) + Cu(s)
[ NaCN(aq)+CuCl(aq)—NaCl(aq) + CuCN(s)
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