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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.

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
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
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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
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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