One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； April 23rd

2017-04-23View Original

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Multiple-choice question: As the temperature rises during a polymerization reaction, the overall reaction rate ( ). Additionally, an increase in polymerization temperature leads to an increase in the number of active centers, which increases the chances of collisions between them; this can result in chain termination, thereby reducing the length of the main chain and decreasing the molecular weight. As a result, the degree of polymerization ( ). A. Accelerates and increases B. Accelerates and decreases C. Slows down and increases D. Slows down and decreases Answer: B. Accelerates and decreases

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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； April 23rd

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