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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
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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<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). O esc B 7 F1 Q A XX @ 2 Q F2 W JUL 27 S 20 3 F3 E 9 D Part A $ 4 Which of the following reactions would be classified as oxidation-reduction? Check all that apply. ► View Available Hint(s) Provide Feedback F4 2Na(s) + Cl₂ (g)+2NaCl(s) Na(s) + CuCl(aq)-NaCl(aq) + Cu(s) [ NaCN(aq)+CuCl(aq)—NaCl(aq) + CuCN(s) Submit R % 5 F F5 T MacBook Air G F6 Y & #tv 7 H F7 2 U ►11 - 00 J A F8 1 9
Transcribed Image Text:<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). O esc B 7 F1 Q A XX @ 2 Q F2 W JUL 27 S 20 3 F3 E 9 D Part A $ 4 Which of the following reactions would be classified as oxidation-reduction? Check all that apply. ► View Available Hint(s) Provide Feedback F4 2Na(s) + Cl₂ (g)+2NaCl(s) Na(s) + CuCl(aq)-NaCl(aq) + Cu(s) [ NaCN(aq)+CuCl(aq)—NaCl(aq) + CuCN(s) Submit R % 5 F F5 T MacBook Air G F6 Y & #tv 7 H F7 2 U ►11 - 00 J A F8 1 9
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