The concentration of Iron in the galvanic (voltaic) cell Fe(s) + Mn²⁺(aq) ⟶ Fe²⁺(aq) + Mn(s) is 0.02297 M.
<h3>What is the Nernst Equation?</h3>
The Nernst equation enables us to identify the cell potential(voltage) in presence of non-standard conditions in a galvanic cell. It can be expressed by using the formula:
![\mathbf{E_{cell} = E_o - \dfrac{0.059}{n} \times log \dfrac{[Fe^+]}{[Mn^{2+}]}}](https://tex.z-dn.net/?f=%5Cmathbf%7BE_%7Bcell%7D%20%3D%20E_o%20-%20%5Cdfrac%7B0.059%7D%7Bn%7D%20%5Ctimes%20log%20%5Cdfrac%7B%5BFe%5E%2B%5D%7D%7B%5BMn%5E%7B2%2B%7D%5D%7D%7D)
where;
- n = Number of electrons = 2
= Initial voltage = 0.77 V
= Cell voltage = 0.78 V![\mathbf{[Mn^{2+}]}](https://tex.z-dn.net/?f=%5Cmathbf%7B%5BMn%5E%7B2%2B%7D%5D%7D)
= Manganese concentration = 0.050 M
Replacing the values into the above equation, we have:
![\mathbf{0.78 = 0.77 - \dfrac{0.059}{2} \times log \dfrac{[Fe^{2+}]}{[0.050]}}](https://tex.z-dn.net/?f=%5Cmathbf%7B0.78%20%3D%200.77%20-%20%5Cdfrac%7B0.059%7D%7B2%7D%20%5Ctimes%20log%20%5Cdfrac%7B%5BFe%5E%7B2%2B%7D%5D%7D%7B%5B0.050%5D%7D%7D)
![\mathbf{0.78 -0.77= -0.0296\times log \dfrac{[Fe^{2+}]}{[0.050]}}](https://tex.z-dn.net/?f=%5Cmathbf%7B0.78%20-0.77%3D%20-0.0296%5Ctimes%20log%20%5Cdfrac%7B%5BFe%5E%7B2%2B%7D%5D%7D%7B%5B0.050%5D%7D%7D)
![\mathbf{log^{-1} (-0.3378) = \dfrac{[Fe^{2+}]}{[0.050]}}](https://tex.z-dn.net/?f=%5Cmathbf%7Blog%5E%7B-1%7D%20%28-0.3378%29%20%3D%20%5Cdfrac%7B%5BFe%5E%7B2%2B%7D%5D%7D%7B%5B0.050%5D%7D%7D)
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I’m doing so well and life is just life :) but what about u how has ur day been going
There are lots of theories. Auguste Comte is known to formulate the Normative doctrine.
<h3>What is the Normative doctrine about?</h3>
Auguste Comte is one who was said to have envisioned a kind of ideal society where there is positivism and sociology that is eminent and also is higher and supreme.
He believed that sociological-scientific priests would tend to control using reasons. Comte in course of living did see himself as a prophet of this new religion that he had talk about.
Comte as a positivist, is one who believed in the natural instead of the supernatural, and so he stated that his time of around 1800s, was the positivist stage.
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In <em>Mary Cassatt: artist and trailblazer, Vanessa</em> Wright conveys her viewpoint that Cassatt skillfully captures family and home life in her art by <em>describing a little girl in a blue arm chair in detail. </em>
<h3>Painting</h3>
Painting is the practice of applying paint, pigment or color to a medium to a solid surface.
<h3>Impressionists</h3>
The impressionists sought to express their perspective of nature rather than create an exact representation. An impressionist is an entertainer who does impressions.
The little girl in the blue armchair stands as a testament to the newly formed relationship between Mary Cassatt and other impressionists and her own free style of painting.
Mary Cassatt being an impressionists chose to express herself through the impressions of the painting of the little girl in a blue arm chair in details.
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