Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain a polyamide of approximately 15,000 molecular weight at 99.5% conversion. what is the identity of the end groups of this product? do the same calculation for a 19,000-molecular-weight polymer.
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Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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Chemistry, 22.06.2019 17:30
Consider the story you just read. all but one of the choices below indicate that something is living.
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Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain...
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