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1. Determine the oxidation number of each element in these substances: a. S203 b. O2 c. Al2(SO4)3 2. Find the oxidation number of each kind of atom in the following: a. P2O5 b. NH4* c. NazCr2O7 3. Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced in each reaction: a. 2H2(g) + O2(g) 2H2O) b. 2KNO3(6) → 2KNO2(e) + Ozig) c. NH4NO2(s) → N2(9) + 2H2O(9)

1. Determine the oxidation number of each element in these substances: a. S203 b. O2 c. Al2(SO4)3 2. Find the oxidation number of each kind of atom in the following: a. P2O5 b. NH4* c. NazCr2O7 3. Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced in each reaction: a. 2H2(g) + O2(g) 2H2O) b. 2KNO3(6) → 2KNO2(e) + Ozig) c. NH4NO2(s) → N2(9) + 2H2O(9)

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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Now Do It! 1. Determine the oxidation number of each element in these substances: a. S203 b. O2 c. Al2(SO4)3 2. Find the oxidation number of each kind of atom in the following: a. P2O5 b. NH4* c. NazCr207 3. Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced in each reaction: a. 2H2(g) + O2(g)→ 2H2OU) b. 2KNO3(s) → 2KNO2(s) + O2(g) c. NH4NO2(s) → N2(g) + 2H2O(g)
Transcribed Image Text:Now Do It! 1. Determine the oxidation number of each element in these substances: a. S203 b. O2 c. Al2(SO4)3 2. Find the oxidation number of each kind of atom in the following: a. P2O5 b. NH4* c. NazCr207 3. Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced in each reaction: a. 2H2(g) + O2(g)→ 2H2OU) b. 2KNO3(s) → 2KNO2(s) + O2(g) c. NH4NO2(s) → N2(g) + 2H2O(g)
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