Calculate diffusion over potential for hydrogen evolution reaction, 2H^+ + 2e- = H2, at a current...

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Calculate diffusion over potential for hydrogen evolution reaction, 2H^+ + 2e- = H2, at a current...

Calculate diffusion over potential for hydrogen evolution reaction, 2H^+ + 2e- = H2, at a current density of .2 A/cm2 and temperature 25C if limiting current density is 0.5 A/cm2? beta =.5

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Answer 1

Answer #1

Diffusion rate $\alpha 1/\sqrt{D}$ D = Density

D₁ = 0.2 and D₂ = 0.5 r₁ , r₂ are the rate of diffusion

r₁/r₂ =

r1/r2 =

r₁/r₂ =

r₁ /r₂ = 1.58

r₁ = 1.58 r₂

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Answer 2

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Calculate diffusion over potential for hydrogen evolution reaction, 2H^+ + 2e- = H2, at a current...

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If the potential of a hydrogen electrode based on the half reaction 2H+(aq)+2e−→H2(g) is 0.00V at...

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Calculate diffusion over potential for hydrogen evolution reaction, 2H^+ + 2e- = H2, at a current...

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