(7.2a, continued) Complete and balance the following by ion-electron method. Reactions are taking place in alkaline solution. a) NO2-(aq) + Al(s) - NH3(aq) Al(OH)4 (aq) Analysis: Previous page. Final Balanced equation: Al(s) NO2 (aq) OH + H20 Al(OH)4 (aq) * NH3(aq)

(7.2a, continued) Complete and balance the following by ion-electron method. Reactions are taking place in alkaline solution. a) NO2-(aq) + Al(s) - NH3(aq) Al(OH)4 (aq) Analysis: Previous page. Final Balanced equation: Al(s) NO2 (aq) OH + H20 Al(OH)4 (aq) * NH3(aq)

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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Question

Fill in the blanks:
(7.2a, continued) Complete and balance the
following by ion-electron method. Reactions
are taking place in alkaline solution.
a) NO2-(aq) + Al(s) - NH3(aq)
Al(OH)4 (aq)
Analysis: Previous page.
Final Balanced equation:
Al(s)
NO2 (aq)
OH +
H20
Al(OH)4 (aq)
NH3(aq)

(7.1a) Complete and balance the following
by ion-electron method. Reactions are
taking place in acidic solution.
a) Cu(s) + NO3 (aq) - Cu*taq) + NO2(g
Analysis:
Oxidation-Half reation:
Balancing atoms & charges: Cu(s)
Cu(aq) *
e
Reduction-Half reation:
Balancing 0 & H and charges:
H* + NO3 (aq) +
e - NO2(g)
H20
Balancing electrons lost & gained and
balancing the equation:
Cus)
NO3 (aq) *
H* -
Cu(aq)
NO2(g)
H20

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