WebMar 15, 2024 · Of the two cis-trans isomers, cis-2-butene has a higher boiling point due to the dipole moment of the cis form, which makes the interactions harder to break than the trans form. Constitutional vs ... WebPoly (ethene) is a polymer made from a very large number of ethene molecules combined together. Forming poly (ethene) from ethene The reaction is called a polymerisation …
1.0 A student investigated the viscosity of liquid hydrocarbons.
WebGive an expression in the relational algebra to express each of the following queries: a. Find the names of all employees who live in city “Miami”. b. Find the names of all employees whose salary is greater than $100,000. c. Find the names of all employees who live in “Miami” and whose salary is greater than$100,000. Web5.1 Displayed structure of butene drawn 1 5.2 Poly(butene) 1 5.3 Many monomers or many butane molecules Double bond breaks / opens up or double bond forms a single bond Form chains or very large molecules 1 1 1 5.4 A single bond between carbon atoms Other four bonds linking hydrogen atoms and C 3 H 7 group plus two trailing / connecting bonds fluctuating gender dysphoria
Condensation polymers - Higher - Polymers - BBC Bitesize
WebDec 10, 2024 · The first molecule is named 1-butene, while the second molecule is named 2-butene. The number at the beginning of the name indicates where the double bond originates. The lowest possible number is used to number a feature in a molecule; hence, calling the second molecule 3-butene would be incorrect. WebJul 31, 2024 · Polymerization of an alkene by acidic reagents can be formulated by a mechanism similar to the addition of hydrogen halides to alkene linkages. First, a proton … WebLinear polymers resemble ‘spaghetti’ with long chains. The long chains are typically held together by the weaker van der Waals or hydrogen bonding. Since these bonding types are relatively easy to break with heat, linear … fluctuating gas pressure