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Why was addition polymerisation given its name?
Addition polymerisation is named for the process it involves, where monomers with double or triple bonds react to form a polymer without the loss of any small molecules. In this type of polymerisation, the monomers "add" together to create long chains, hence the term "addition." This contrasts with condensation polymerisation, where small molecules are released during the reaction. The name highlights the key characteristic of the reaction mechanism.
What is condensation polymerisation?
Condensation polymerisation is when two molecules of the same substance (monomer) react together to form polymer chain (like polythene) and eliminate a smaller (usually water) molecule. For example, Nylon-6 is prepared by using condensation polymerisation of ε-Caprolactum
Does dehydration synthesis build or break down molecuels?
Dehydration synthesis builds molecules by joining smaller subunits together to form larger molecules, while breaking down molecules involves adding water to break bonds between subunits of a larger molecule.
What is the process by which water is removed so that larger organic molecules are formed from smaller ones?
The process is called dehydration synthesis or condensation reaction. In this process, a water molecule is removed from the smaller organic molecules, allowing them to bond together to form a larger molecule. This reaction requires energy input to overcome the energy barrier for the molecules to react.
Where are molecules of chlorine brought together with ozone at the poles?
The molecules of chlorine are brought by CFC's. They are harmful chemicals with react with ozone to deplete it.
Why is changing dodecane into smaller molecules useful?
Breaking down dodecane into smaller molecules can be useful for applications such as fuel production or as chemical feedstocks. Smaller molecules are often more reactive and can be easier to handle or transport, making them more versatile for various industrial processes. Additionally, smaller molecules can have different physical and chemical properties that may be desirable for specific applications.
If a smaller vessel is used for the reaction will the yield of CO be greater or smaller?
Using a smaller vessel will likely result in a smaller yield of CO because there will be less space for the reactants to react and form the product. The reaction might proceed slower due to limited surface area for collisions between molecules.
What Large bulky molecules react more slowly than small ones because they have less opportunity to?
Large bulky molecules react more slowly than small ones primarily due to steric hindrance, which refers to the interference that occurs when large groups prevent reactants from coming together effectively. Their size can also limit the number of effective collisions with other molecules, reducing the overall reaction rate. Additionally, the increased complexity and rigidity of larger molecules can hinder their ability to adopt the necessary orientations for reaction. As a result, the kinetic barriers to reaction are generally higher for bulky molecules compared to their smaller counterparts.
How many hydrogen molecules are required to react with 150 nitrogen molecules?
If we have 150 nitrogen molecules, we would need an equal number of hydrogen molecules to react with them according to the balanced reaction equation for the formation of ammonia: N2 + 3H2 → 2NH3 Therefore, we would need 150 hydrogen molecules to react with 150 nitrogen molecules.
What is The smallest amount of energy molecules need to stick together and react is called?
The smallest amount of energy that molecules need to stick together and react is called the activation energy. This energy barrier must be overcome for a chemical reaction to occur, allowing reactants to transform into products. Activation energy can be influenced by factors such as temperature and the presence of catalysts, which can lower the energy required.
What are the molecules that react with one another called?
Molecules that react with one another are called reactants.
Why is this an addition polymerisation?
Addition polymerization is a process where monomers with unsaturated bonds (such as alkenes) react to form a polymer without the loss of any small molecules. During this reaction, the double bonds in the monomers open up and link together, creating long chains of repeating units. This type of polymerization typically involves free radical, ionic, or coordination mechanisms. The resulting polymer retains the chemical structure of the original monomers, which is a key characteristic of addition polymerization.
