Synthetic Polymers
Akopọ
The plastic bag in your hand, the window frame in your classroom, the insulation around electrical wiring - all of these are synthetic polymers, giant molecules built by joining thousands of small monomer units end to end. Polymers have transformed modern life, but their durability creates serious disposal problems.
In this lesson you will learn how addition polymers form from alkene monomers, how to draw repeat units and work backwards to find the monomer, and why disposing of polymers is an environmental challenge.
Awọn Afojusun
- Know that an addition polymer is formed by joining up many small molecules called monomers
- Understand how to draw the repeat unit of the addition polymer poly(ethene)
- Understand how to deduce the structure of a monomer from the repeat unit of an addition polymer and vice versa
- Explain problems in the disposal of addition polymers, including their inertness and inability to biodegrade and the production of toxic gases when they are burned
Akọ̀wé Ẹ̀kọ́
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
Ìdánwò Ẹ̀kọ́
Oriire fun ipari ẹkọ lori Synthetic Polymers. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- What type of bond must a monomer contain for addition polymerisation? A) A single bond B) A double bond C) An ionic bond D) A metallic bond Answer: B
- The monomer for poly(ethene) is: A) Methane B) Ethane C) Ethene D) Propene Answer: C
- Addition polymers are difficult to dispose of because they: A) Are very expensive B) Are non-biodegradable C) React with water D) Dissolve in soil Answer: B
- Burning PVC produces the toxic gas: A) Oxygen B) Nitrogen C) Hydrogen chloride D) Methane Answer: C
- During addition polymerisation, the C=C double bond: A) Stays the same B) Becomes a triple bond C) Opens to form single bonds D) Breaks completely Answer: C
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
Awọn Iwe Itọsọna Ti a Gba Nimọran
Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe
Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Synthetic Polymers? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.
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