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Lemur [1.5K]
3 years ago
13

Poly(lactic acid) (pla) has received much recent attention because the lactic acid monomer [ch3ch(oh)cooh] from which it is made

can be obtained from carbohydrates rather than petroleum. this makes pla a more "environmentally friendly" polyester. select the correct structure of pla.

Chemistry
1 answer:
ololo11 [35]3 years ago
6 0
PLA is a type of condensation polymer. Hydroxyl group of one lactic acid reacts with carboxylic group of second lactic acid and a ester is formed with the elimination of water molecule. And the reaction propagates with the increase in chain. And, the product formed is PLA as shown below.

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Explanation:  

Hello there!  

In this case, according to the Charles' law equation which help us to understand the directly proportional relationship between volume and temperature:

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Thus, by solving for the final temperature, T2, and making sure we use the temperatures in Kelvin, we can calculate the final temperature as shown below:

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