Please answer. 

Asked by prakriti12oct | 14th Aug, 2019, 12:46: AM

Expert Answer:

According to Nernst Equation,
 
E subscript c e l l end subscript equals E to the power of o c e l l minus fraction numerator 0.0591 over denominator 1 end fraction log subscript 10 fraction numerator left square bracket F e to the power of plus 3 end exponent right square bracket over denominator left square bracket F e to the power of plus 2 end exponent right square bracket space left square bracket A g to the power of plus right square bracket end fraction
Active mass of Solid is 1.
left parenthesis I right parenthesis space W h e n space space space left square bracket A g plus right square bracket space d e c r e a s e s space t h e n space space i t space m e a n s space log subscript 10 fraction numerator left square bracket F e to the power of plus 3 end exponent right square bracket over denominator left square bracket F e to the power of plus 2 end exponent right square bracket space left square bracket A g to the power of plus right square bracket end fraction space w i l l space i n c r e a s e space a n d space E subscript c e l l space end subscript w i l l space d e c r e a s e. space left parenthesis thin space E to the power of o subscript c e l l space end subscript i s space c o n s tan t right parenthesis
left parenthesis I I right parenthesis space W h e n space left square bracket F e to the power of plus 3 end exponent right square bracket space i n c r e a s e s space t h e n space m e a n s space log subscript 10 fraction numerator left square bracket F e to the power of plus 3 end exponent right square bracket over denominator left square bracket F e to the power of plus 2 end exponent right square bracket space left square bracket A g to the power of plus right square bracket end fraction space w i l l space i n c r e a s e space a n d space E subscript c e l l space end subscript w i l l space d e c r e a s e. space
left parenthesis I I I right parenthesis space A g space i s space i n space s o l i d space p h a s e space s o space i t space w i l l space n o t space e f f e c t space E subscript c e l l space end subscript

Answered by Ravi | 16th Aug, 2019, 05:42: PM