The corrosion of a certain metallic substance has been
Chapter , Problem 3(choose chapter or problem)
The corrosion of a certain metallic substance has been studied in dry oxygen at 500 degrees centigrade. In this experiment, the gain in weight after various periods of exposure was used as a measure of the amount of oxygen that had reacted with the sample. Here are the data: Hours Percent Gain 1.0 .02 2.0 .03 2.5 .035 3.0 .042 3.5 .05 4.0 .054 (a) Plot a scatter diagram. (b) Fit a linear relation. (c) Predict the percent weight gain when the metal is exposed for 3.2 hours.
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