Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

first picture: find delta G 

second picture: find K, and delta G 

Determine E°, AG° , and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 2 Co3+ + H, AsO, + H,0= 2 Co2+ + H,AsO, + 2 H+ 4 Co3+ + e- Co2+ E° = 1.92 V H, AsO, + 2H* + 2e H,AsO, + H,0 E° = 0.575 V E° = 1.345 V K = 3.28 x1045 Is the overall reaction spontaneous as written? AG° = 22.13 J %3D Incorrect spontaneous O not spontaneous Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 4 Fe3+ +2H,0 4 Fe²+ + O, + 4H+ Fe3+ + e¯ Fe2+ 0, + 2H+ + 2 e = H,0 E° = 0.771 V %3D E° = 1.229 V
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Transcribed Image Text:Determine E°, AG° , and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 2 Co3+ + H, AsO, + H,0= 2 Co2+ + H,AsO, + 2 H+ 4 Co3+ + e- Co2+ E° = 1.92 V H, AsO, + 2H* + 2e H,AsO, + H,0 E° = 0.575 V E° = 1.345 V K = 3.28 x1045 Is the overall reaction spontaneous as written? AG° = 22.13 J %3D Incorrect spontaneous O not spontaneous Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 4 Fe3+ +2H,0 4 Fe²+ + O, + 4H+ Fe3+ + e¯ Fe2+ 0, + 2H+ + 2 e = H,0 E° = 0.771 V %3D E° = 1.229 V
Incorrect spontaneous O not spontaneous Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 4 Fe3+ + 2H,0= 4 Fe2+ + O, + 4H+ Fe3+ + e Fe2+ 0, + 2H+ + 2 e H,0 E° = 0.771 V E° = 1.229 V I E° = -0.458 V K = 93590.45 %3D Incorrect Is the overall reaction spontaneous as written? AG° = 93590.45 J Incorrect not spontaneous O spontaneous
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Transcribed Image Text:Incorrect spontaneous O not spontaneous Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 4 Fe3+ + 2H,0= 4 Fe2+ + O, + 4H+ Fe3+ + e Fe2+ 0, + 2H+ + 2 e H,0 E° = 0.771 V E° = 1.229 V I E° = -0.458 V K = 93590.45 %3D Incorrect Is the overall reaction spontaneous as written? AG° = 93590.45 J Incorrect not spontaneous O spontaneous
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