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20) Identify the location of reduction in an electrochemical cell. A) the socket B) the salt bridge C) the anode D) the electrode E) the cathode

20) Identify the location of reduction in an electrochemical cell. A) the socket B) the salt bridge C) the anode D) the electrode E) the cathode

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter19: The Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 73QRT
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20) Identify the location of reduction in an electrochemical cell. A) the socket B) the salt bridge C) the anode D) the electrode E) the cathode 21) The value of AG° at 141.0°C for the formation of phosphorous trichloride from its constituent elements, P2 (g) + Cl2 (g) 2PC13 (g) is kJ/mol. At 25.0°C for this reaction, AH° is -720.5 kJ/mol, AG° is -642.9 kJ/mol, and AS is -263.7 J/K. A) -829.7 B) 3.65 x 104 C) -612.3 D) 1.08 × 105 22) Phosphorous and chlorine gases combine to produce phosphorous trichloride: P2 (g) + 3Cl2 (g) 2PC13 (g) E) -683.3 AG° at K for this reaction -642.9 kJ/mol. The value of AG at 298 for a reaction mixture that consists of 1.5 atm P2, 1.6 atm Cl2, and 0.65 atm PCl3 is A) -649.5 B) -3.88 × 103 C) -7.28 × 103 D) -708.4 E) -44.2
Transcribed Image Text:20) Identify the location of reduction in an electrochemical cell. A) the socket B) the salt bridge C) the anode D) the electrode E) the cathode 21) The value of AG° at 141.0°C for the formation of phosphorous trichloride from its constituent elements, P2 (g) + Cl2 (g) 2PC13 (g) is kJ/mol. At 25.0°C for this reaction, AH° is -720.5 kJ/mol, AG° is -642.9 kJ/mol, and AS is -263.7 J/K. A) -829.7 B) 3.65 x 104 C) -612.3 D) 1.08 × 105 22) Phosphorous and chlorine gases combine to produce phosphorous trichloride: P2 (g) + 3Cl2 (g) 2PC13 (g) E) -683.3 AG° at K for this reaction -642.9 kJ/mol. The value of AG at 298 for a reaction mixture that consists of 1.5 atm P2, 1.6 atm Cl2, and 0.65 atm PCl3 is A) -649.5 B) -3.88 × 103 C) -7.28 × 103 D) -708.4 E) -44.2
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