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Chemistry · Unit 4 · Chemical synthesis and design · Chemical synthesis

Analyse and interpret data to determine the impact of reagents and reaction conditions on yield and rate of chemical synthesis processes. Macromolecules: polymers, proteins and carbohydrates

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Question 1

Refer to the table below. A chemist synthesised condensation polymers under different temperature conditions and measured the average chain length of the product. Analyse the data to determine which temperature condition produced the polymer with the greatest degree of polymerisation.

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Question 2

A chemist synthesises polyester from ethylene glycol and terephthalic acid under different reaction conditions. The table below shows the percentage yield and average reaction time for four trials. Analyse the data to determine which statement best describes the impact of reaction conditions on the polyester synthesis.

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Question 3

Analyse the data to discuss one advantage and one disadvantage of using Enzyme B rather than Enzyme A to catalyse the hydrolysis of starch to glucose in industrial maltose syrup production.

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