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Exercises 5-1. Plot the following cathodic polarization data for carbon steel in 0.5 N H,S0, on linear coordinates and determine the polarization resistance. From Se shape of the plot, would you estimate that the absolute value of Ba is greater than or less than Be? Current 40 100 160 240 300 density (A/cm²) Cathodic 1.0 2.5 4.1 6.3 90 Overvoltage (mV) 5-2. With the following anodic and cathodic polarization data-the same cond- tions as Problem 5.1, but larger currents-plot the polarization curves on semilogarithmic coordinates and determine Ba, Be, Ecorrs and ¹corr Current Density, MA Potential Potential Anodic or Cathodic Anode, V(SCE) Cathode, V(SCE 1.01 x 10-4 -0.510 2 -0.520 -0.508 3 -0.522 5 -0.503 -0.530 7 -0.499 -0.540 1 x 10-3 -0.494 -0.549 2 -0.490 -0.562 3 -0.477 -0.585 5 -0.470 -0.602 7 -0.458 -0.627 1 x 10-2 -0.448 -0.644 2 -0.437 -0.660 5-3. From th -0.420 -0.688

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