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A sample of poly(ethylene terephthalate) is reported to be 20% crystalline. (A) What is the expected density of this sample? (B) What is the expected

A sample of poly(ethylene terephthalate) is reported to be 20% crystalline.

(A) What is the expected density of this sample?

(B) What is the expected specific heat increment of this semicrystalline sample?

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A Where m m a and m c be the masses of the polymer amorphous phase and cryst... blur-text-image

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