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PARTE 1: La notacin para una celda electroqumica se escribe como Ni(s)|NiCl 2 (aq)||Ce(ClO 4 ) 4 (aq), Ce(ClO 4 ) 4 (aq)|Pt(s). Teniendo en

PARTE 1: La notacin para una celda electroqumica se escribe como

Ni(s)|NiCl 2 (aq)||Ce(ClO 4 ) 4 (aq), Ce(ClO 4 ) 4 (aq)|Pt(s).

Teniendo en cuenta las especies inicas, la notacin abreviada se puede simplificar a:

Ni(s)|Ni 2+ (ac)||Ce 4+ (ac), Ce 3+ (ac)|Pt(s).

Cul es la ecuacin para la reaccin global de la celda?

Ni2+(aq)+2Ce3+(aq)Ni(s)+2Ce4+(aq)Ni2+(aq)+2Ce3+(aq)Ni(s)+2Ce4+(aq)

Ni(s)+Ce4+(aq)Ni2+(aq)+Ce3+(aq)Ni(s)+Ce4+(aq)Ni2+(aq)+Ce3+(aq)

Ni(s)+2Ce4+(aq)Ni2+(aq)+2Ce3+(aq)Ni(s)+2Ce4+(aq)Ni2+(aq)+2Ce3+(aq)

2Ni(s)+Ce4+(aq)2Ni2+(aq)+Ce3+(aq)2Ni(s)+Ce4+(aq)2Ni2+(aq)+Ce3+(aq)

2Ni2+(aq)+Ce3+(aq)2Ni(s)+Ce4+(aq)2Ni2+(aq)+Ce3+(aq)2Ni(s)+Ce4+(aq)

PARTE 1B:

Cul es el valor de la constante de equilibrio K para la reaccin entre el cobre metlico y los iones de hierro (III) en una solucin acuosa a 25 C?

Cu(s)+2Fe3+(aq)Cu2+(aq)+2Fe2+(aq)Cu(s)+2Fe3+(aq)Cu2+(aq)+2Fe2+(aq)

Obtenga los datos requeridos de la hoja de datos del curso . Ingrese su respuesta en notacin cientfica con una precisin de tres cifras significativas.

k = .

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