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State whether polyethylene is a condensation or addition polymarization product?
Polyethylene is an addition polymerization product. It is produced through the addition polymerization of ethylene monomers, during which the monomers are simply added together without any by-products. There is no elimination of small molecules, such as water, which is characteristic of condensation polymerization.
Why are polymerization reactions sometimes called dehydrates synthesis reactions?
because water is produced as a by-product!
Formed during dehydration synthesis or condensation polymerization?
Water
Where does PEG-8 come from?
PEG-8, or polyethylene glycol 8, is a synthetic compound derived from the polymerization of ethylene oxide. It is commonly produced through the reaction of ethylene oxide with water or ethylene glycol, resulting in a hydrophilic polymer with various molecular weights. PEG-8 is widely used in cosmetics, pharmaceuticals, and food products due to its properties as a humectant and emulsifier. Its production is primarily industrial, and it is classified as a non-toxic and safe ingredient in many applications.
How many grams of ethylene as needed to react with 0.0126 mole of water?
To determine the grams of ethylene needed to react with 0.0126 mole of water, you need to use the balanced chemical equation for the reaction between ethylene and water. Once you have the balanced equation, use the molar ratio between ethylene and water to convert moles of water to moles of ethylene. Then, use the molar mass of ethylene to convert moles of ethylene to grams of ethylene.
How many moles of water are produced when ethylene glycol reacts with phtalic anhydride?
The balanced chemical equation for the reaction between ethylene glycol and phthalic anhydride is: C6H4(CO)2O + 2 C2H6O2 → C6H4(CO2CH2CH2O)2 + 2 H2O From the equation, it can be seen that 2 moles of water are produced for every 1 mole of ethylene glycol reacting with 1 mole of phthalic anhydride.
Why ethylene dissolved in water?
Because water is used as a catalyst in preparation of other product of ethylene
What mass in grams of ethylene oxide is needed to react with 19g of water?
To determine the mass of ethylene oxide needed to react with 19 g of water, we first need to know the balanced chemical equation for the reaction between ethylene oxide (C2H4O) and water (H2O). Typically, ethylene oxide reacts with water to form ethylene glycol. The molar mass of water is approximately 18 g/mol. Since the reaction between ethylene oxide and water is a 1:1 molar ratio, 19 g of water requires 19 g of ethylene oxide to react completely, assuming you have enough ethylene oxide available.
Polymerization and the breakdown of a polymer are two opposite reactions What role does a water molecule play in both of them?
In polymerization, a water molecule is often eliminated as a byproduct in a condensation reaction between monomers. This process is known as dehydration synthesis. In the breakdown of a polymer via hydrolysis, water molecules are used to break the covalent bonds between monomers, resulting in the degradation of the polymer into its constituent monomer units.
Why is ethylene glycol added to water in radiator during summer?
Ethylene glycol is added to water in the radiator during summer to act as an antifreeze and coolant. It helps prevent the water in the radiator from freezing in cold temperatures, while also raising the boiling point of the coolant to prevent overheating in hot weather.
What synthesis is the polymerization process in which a water molecule is lost in the process?
The polymerization process in which a water molecule is lost is called condensation polymerization. In condensation polymerization, monomers join together to form a polymer while releasing a small molecule like water or alcohol as a byproduct. This type of polymerization typically involves monomers with functional groups that react to form covalent bonds and release the small molecule.
What is inverse emulsion polymerization?
Inverse emulsion polymerization is a process where water-insoluble monomers are dispersed in water as droplets, with a water-soluble initiator initiating polymerization within these droplets. This results in the formation of polymer particles dispersed in water, with the continuous phase being the monomer solution.
