Using Alkenes To Make Polymers Flashcards

1
Q

What is the most useful thing you can do with alkenes?

A

Polymerisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is polymerisation?

A

The joining together of lots of small alkene molecules to form very large molecules known as polymers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What can ethene molecules be joined up to make?

A

Polyethene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does a polymers physical properties depend on?

A

What it’s made from

The temperature and pressure of its polymerisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the difference between polyethene made at high temperature and pressure to polyethene made at low temperature and pressure

A

The high one is flexible with a low density

The Low one is rigid and dense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are some uses of polymers?

A

Plastic bags
Dental polymers
New biodegradable packaging
Memory foam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Why do most polymers not rot?

A

They’re non biodegradable making it difficult to get rid of them which is why we recycle them

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Why will crude oil products like polymers get more expensive?

A

They’re cheap at the minute but as crude oil begins to run our prices will rise

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is an example of a smart polymer?

A

Memory foam as it can retain its shape

How well did you know this?
1
Not at all
2
3
4
5
Perfectly