Learn about the properties of polymers and how they can be used with BBC Bitesize GCSE Chemistry. In condensation polymerisation, a small molecule is formed as a by-product each time a bond is formed between two monomers.
In this guide, you'll learn how to answer IELTS writing task 2 questions that ask you to discuss both points of view before giving your opinion. This type of question is often confused with an agree/disagree question or a give your opinion question. In the latter types of questions, you can choose an opinion...
The process starts with a continuous condensation reaction of aqueous lactic acid to produce low molecular weight PLA pre-polymer (Fig. 6.5). O O O O Depolymerization Ring-opening polymerization Condensation –H 2O Prepolymer Mn ~ 5000 High molecular weight PLA Lactic acid OH HO O O HO OH O n O O O HO OH n O O O O O 6.5 Production of high ...
briefly describe what has been known before you attempt to briefly mention about the results 4) Let us now discuss the influence of the IT revolution on the effectiveness and efficiency in the education 2) At first/Firstly I would like to discuss the specific features of the method we propose to use in the...