Chapter 14

Question 1

What are the four allotropic forms of Carbon?

Answer 1

Diamond, Graphite, amorphous, and fullerenes

Question 2

Is it true that there was some evidence to suggest that amorphous carbon has some crystalline structure?

Answer 2

Yes, there is some evidence

Question 3

Where are fullerenes form of carbon found?

Answer 3

Found in soot that forms when carbon-containing materials are burned with limited oxygen

Question 4

What is the structure of fullerenes form of carbon?

Answer 4

Near-spherical cages, resembling geodesic domes

Question 5

Describe the structure of diamond

Answer 5

it has closely packed crystallines structure that gives the diamond its hardness

Question 6

In diamonds, carbon is bonded to _____ other carbons in a _______ arrangement

Answer 6

4. Tetrahedron

Question 7

Are covalent solids hard?

Answer 7

yes

Question 8

What are diamonds melting point?

Answer 8

3,550C at ATM

Question 9

Graphite has _______ _______ bonds that result in its slippery feeling

Answer 9

weak, interplanar

Question 10

Common forms of amorphous carbon include… (4)

Answer 10

Charcoal, coke, bone black, and lampblack

Question 11

Is it possible to create synthetic diamonds

Answer 11

Yes by putting carbon under immense pressure and heat

Question 12

How do you create CO2 in a lab?

Answer 12

react Calcium carbonate + Hydrochloric acid (Or any carbonate, or bicarbonate, and any common acid could be used)

Question 13

How do you test for CO2?

Answer 13

Pass it through lime water (Ca(OH)2)

Question 14

How do you tell if there is CO2 in the lime water test?

Answer 14

If the lime water becomes cloudy, then there is CO2 present

Question 15

CO2 is the acid anhydride of _______.

Answer 15

Carbonic acid

Question 16

What is another name for solid CO2?

Answer 16

Dry Ice

Question 17

What is the benefit of Dry ice?

Answer 17

It has the advantage of not melting into a liquid (It can absorb 3x as much heat per gram as ice)

Question 18

Why is CO2 used in fire extinguishers?

Answer 18

It is 1.5 times heavier compared to air. It does not support normal combustion

Question 19

Plants use CO2 in _______

Answer 19

Photosynthesis

Question 20

What is the formula of Photosynthesis?

Answer 20

6CO2 + 6H2O —> C6H12O6 + 6O2

Question 21

The electronegativity of Carbon is…

Answer 21

2.5

Question 22

Hydrocarbons are compounds containing _______ _______.

Answer 22

Hydrogen. Carbon

Question 23

What is an empirical formula?

Answer 23

The simpliest formula. Not good for Organic chemistry

Question 24

The _______ formula is used in organic chemistry to indicate how the atoms are arranged in the molecule

Answer 24

Structural

Question 25

The formula for the alkane series is...

Answer 25

C(n)H(2n+2)

Question 26

What is n in the alkane formula?

Answer 26

number of carbons in the molecule

Question 27

As the number of carbons in the alkane series increases, the _______ increases as well

Answer 27

Boiling point

Question 28

What are the alkanes referred to as?

Answer 28

a homologous series

Question 29

Usually, alkanes are extracted by _______

Answer 29

Fractional distillation

Question 30

What are the first 10 Alkanes

Answer 30

Methane, Ethane, Propane, Butane, pentane, hexane, heptane, octane, nonane, decane

Question 31

What is the order of the isomers of the Alkanes (From methane to decane)

Answer 31

1, 1, 1, 2, 3, 5, 7, 18, 35, 75

Question 32

What Alkanes are a gas at RT

Answer 32

The first four

Question 33

When an Alkane is burned with enough air, _______ and _______ are formed

Answer 33

CO2 and H2O

Question 34

When alkanes and halogens react, the resulting product is called a _______

Answer 34

Alkyl halides

Question 35

When an alkane hydrocarbon has it's en hydrogen removed, its name ending changes from _______ to _______

Answer 35

ane. yl.

Question 36

How do you name a compound that includes an alkyl and a halide?

Answer 36

ou start with the shortened form of the halogen and then the full alkane. (Ex. Bromomethane)

Question 37

What is considered the parent chain in the IUPAC system?

Answer 37

The longest carbon chain