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Science > Carbon Footprint > Flashcards

Carbon Footprint Flashcards

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1
Q

What does a large molecule include?

A

High Boiling Point.
Doesn’t flow easily.
Hard to ignite.

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2
Q

How much oxygen does incomplete combustion include?

A

Limited Oxygen

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3
Q

Is Crude oil renewable?

A

No (Finite).

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4
Q

If there is a abundant supply oxygen, carbon turns into what?

A

It turns into carbon dioxide.

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5
Q

If there is a limited supply of oxygen, carbon turns into what?

A

It turns into carbon monoxide.

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6
Q

What can incomplete combustion produce?

A

Carbon monoxide, carbon, carbon dioxide, water.

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7
Q

What is it called when crude oil is heated?

A

Fractional distillation.

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8
Q

What is the formulae for an alkane?

A

H=Cn2+2.

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9
Q

In Combustion what does hydrogen, oxide into?

A

Water.

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10
Q

What happened when the number of carbons increases in an alkane?

A

The boiling point increases.

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11
Q

Definition of Polymerisation?

A

Large molecules made up of small repeating units.

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12
Q

What is the difference between an Alkane and an Alkene?

A

Allene’s have a double bond and Alkanes have a single bond.

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13
Q

What do monomers turn into when they reach a high temperature?

A

Polymers.

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14
Q

What is crude oil?

A

A mixture of hydrocarbons (fossil fuel).

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15
Q

How much oxygen does complete Combustion include?

A

Plenty of oxygen.

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16
Q

What temperature is crude oil heated too?

A

400 °C.

17
Q

What is the formulae for an alkene?

A

H=Cn2.

18
Q

What does a small molecule include?

A

Low Boiling Point.
Flow easily.
Easy to ignite.

19
Q

Definition of Boiling Point.

A

The temperature where liquid starts to become gas.

20
Q

What happens to the particles in a substance when boiling occurs?

A

They seperate and the bond holding them together starts to break.

21
Q

Does a Covalent Bond transfer any charge?

A

No.

22
Q

What is the boiling point of methane?

A

-161 °C.

23
Q

Can Carbon form an ion?

A

No. But it can form Covalent Bonds.

24
Q

Definition of Covalent Bonds.

A

Shared pair of electrons.

25
Q

As you go up the fractionating column what decreases?

A

The boiling point and size of each molecule decreases.

26
Q

What happens to chain lengths as the boiling point increases?

A

The chains get longer.

27
Q

Where does the heat come from in the distillation column.

A

Hotter at the bottom and cooler at the top.

28
Q

What is a boiling point?

A

The temperature where a solid starts to become a gas.

29
Q

What temperature is room temperature?

A

22 °C-28 °C.

Science (6 decks)

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