Dissolution reactions of gold (Au) in 1M HNO3 and 1M aqua regia (1M HNO3 + 1M HCl) are provided below 1)What is the E°cell and Keq for the dissolution of gold in 1M HNO3 under standard conditions. (calculate) b) Calculate E°cell and Keq for the dissolution of gold in aqua regia under standard conditions.
Dissolution reactions of gold (Au) in 1M HNO3 and 1M aqua regia (1M HNO3 + 1M HCl) are provided below 1)What is the E°cell and Keq for the dissolution of gold in 1M HNO3 under standard conditions. (calculate) b) Calculate E°cell and Keq for the dissolution of gold in aqua regia under standard conditions.
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Dissolution reactions of gold (Au) in 1M HNO3 and 1M aqua regia (1M HNO3 + 1M HCl) are provided below
1)What is the E°cell and Keq for the dissolution of gold in 1M HNO3 under standard conditions. (calculate)
b) Calculate E°cell and Keq for the dissolution of gold in aqua regia under standard conditions.
![Au(s) + NO3
3+
+4H" (aд) — Аu** (ag) + NO(g) + 2 H20 ()
(1)
(ад)
Aus) + NO3 (aq)
+ 4 H* (aq) + 4 cl (aq) → AuCl4 (ao) + NO (g) + 2 H20 (1)
(2)
Reduction Half – Reaction
Е° (V)
Au3+ + 3 е Au
1.36
AuCly + 3 e- Аu + 4 Cl-
1.00
NO3 +4 H* +3е — NO + 2 H20
0.96
2 H30* + 2 e- = H2 + 2 H20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa9e0ed2d-4b68-4bc4-aacc-60e8d8b05b7f%2F7dff25fa-6f7e-4c19-b2db-c8b1aa4d40ef%2F08q6t5r_processed.png&w=3840&q=75)
Transcribed Image Text:Au(s) + NO3
3+
+4H" (aд) — Аu** (ag) + NO(g) + 2 H20 ()
(1)
(ад)
Aus) + NO3 (aq)
+ 4 H* (aq) + 4 cl (aq) → AuCl4 (ao) + NO (g) + 2 H20 (1)
(2)
Reduction Half – Reaction
Е° (V)
Au3+ + 3 е Au
1.36
AuCly + 3 e- Аu + 4 Cl-
1.00
NO3 +4 H* +3е — NO + 2 H20
0.96
2 H30* + 2 e- = H2 + 2 H20
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