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The cell in which the reaction occurs 2 F e to the power of plus 3 space space end exponent plus space 2 I to the power of minus space space rightwards arrow space 2 F e to the power of plus 2 space end exponent space space plus space I subscript 2 space h a s space E to the power of 0 c e l l space equals space 0.236 V space a t space 298 K space. space C a l c u l a t e space t h e s tan d a r d space g i b b s space e n e r g y space a n d space t h e space e q u i l i b r i u m c o n s tan t space o f space t h e space c e l l space r e a c t i o n a n t i log space o f space left parenthesis 6.5 equals 3.162 cross times 10 to the power of 5 space end exponent comma space 8.0 equals space 10 to the power of 8 right parenthesis i space a m space c o n f u s e d space f o r space w h y space t h e s e space a b o v e space l i s t e d space v a l u e s space o f space a n t i log space h a v e space b e e n space g i v e n space w i t h space t h i s q u e s t i o n space b e c a u s e space w h e n space i space s o l v e d space t h i s space q u e s t i space h a d space t o space p e r f o r m space a n t i log space o f space 7.983 space o n l y s o space p l s space s o l v e space i t space space a n d space t e l l space t h a t space d o space t h e s e space a n t i log space v a l u e s space h a v e space s o m e space u s e space space o r space a r e space u s e l e s s f o r space t h i s space q u e s t i o n space
Asked by charvipareek057 | 20 Apr, 2019, 11:51: PM
answered-by-expert Expert Answer
A f t e r space s p l i t t i n g space t h e space f u l l space r e a c t i o n space i n t o space t w o space h a l f space r e a c t i o n s space w e space g e t space n space equals space 2. B y space n e r n s t space e q u a t i o n space w e space k n o w comma E to the power of 0 subscript c e l l end subscript space equals space fraction numerator 0.0591 over denominator n end fraction L o g space K subscript c P u t t i n g space t h e space v a l u e s space w e space g e t space 0.236 space equals space fraction numerator 0.0591 over denominator 2 end fraction log space K subscript c space equals space 0.0295 L o g space K subscript c O r comma space L o g space K subscript c space equals space fraction numerator 0.236 over denominator 0.0295 end fraction space equals space 8 S o comma space K subscript c space end subscript equals space a n t i log space 8 equals space 10 to the power of 8 A l s o comma space G i b b s space f r e e space e n e r g y space left parenthesis increment G to the power of 0 right parenthesis space equals space minus n F E to the power of 0 subscript c e l l end subscript space equals space minus 2 cross times 96500 cross times 0.236 space J divided by M o l space equals space minus 45.548 space K J space m o l to the power of negative 1 end exponent bold italic N bold italic o bold italic t bold italic e colon space 7.983 space w a s space r o u n d e d space o f f space t o space 8 space s o comma space t h e space d a t a space w a s space g i v e n. T h e r e space i s space n o space u s e space o f space f i r s t space d a t a space i n space t h e space q u e s t i o n.
Answered by Sumit Chakrapani | 22 Apr, 2019, 01:22: AM

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