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Question: an engineer plans on doing injection molding using a polymer...

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An engineer plans on doing injection molding using a polymer that can be dissolved in chloroform, ethanol, and N,N-dimethylformamide. He determines the solubility parameters for three solvents at room temperature to be 11.0, 12.6, and 17.4 (MPa)1/2, respectively, provide a mathematical solution to determine which of the solvent system provide the fastest solidification rate for the polymer.

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