Fules part 2 (Rosa)

Question 1

How many carbon atoms in methane

Answer 1

1

Question 2

How many carbon atoms in ethane

Answer 2

2

Question 3

How many carbon atoms in propane

Answer 3

3

Question 4

How many carbon atoms in butane

Answer 4

4

Question 5

How many carbon atoms in pentane

Answer 5

5

Question 6

How many carbon atoms in hexane

Answer 6

6

Question 7

How many carbon atoms in heptane

Answer 7

7

Question 8

How many carbon atoms in octane

Answer 8

8

Question 9

What is a homologous series

Answer 9

A group of compounds with the same general formula and similar chemical properties

Question 10

What is the general formula for alkanes

Answer 10

CnH2n+2

Question 11

What is cracking

Answer 11

Cracking is the name given to the process that splits the long chain hydrocarbons into smaller more useful ones

Question 12

Why are Alkenes described as unsaturated

Answer 12

Alkenes are described as unsaturated because they contain a carbon to carbon double bond

Question 13

What is the general formula for Alkenes

Answer 13

CnH2n

Question 14

How do u test for unsaturation

Answer 14

Bromine solution de colourises

Question 15

What is the chemical formula for glucose

Answer 15

C6H12O6

Question 16

What is a carbohydrate

Answer 16

A compound containing only carbon, hydrogen and oxygen

Question 17

What is the chemical formula for sucrose

Answer 17

C12H22O11

Question 18

How can you tell the difference between glucose and sucrose

Answer 18

Glucose turns Benedict’s solution from blue to orange. Sucrose has no colour change

Question 19

How do plants make glucose

Answer 19

Through photosynthesis

Question 20

What is the word equation for photosynthesis

Answer 20

Carbon dioxide + water —->glucose + oxygen

Question 21

What si the definition for a condensation reaction

Answer 21

During a condensation reaction molecules join to gather to make larger molecules and produce a small molecule usually water in the process

Question 22

What is a hydrolysis reaction

Answer 22

Breaking up a compound using water

Question 23

Why do energy drinks use glucose rather than sucrose

Answer 23

Because glucose is more easily absorbed into the blood stream to provide energy

Question 24

What breaks down starch

Answer 24

Amylase

Question 25

How does the body convert starch into glucose during digestion

Answer 25

Enzymes and stomach acid breaks down the starch

Question 26

What is fermentation

Answer 26

The chemical process that converts glucose into ethanol

Question 27

What do we need to use for fermentation to occur

Answer 27

Yeast which contains the enzyme zymase

Question 28

Why can the temperature not reach over 50 degrees during fermentation

Answer 28

Because the enzyme will be denatured

Question 29

What is used to produce alcoholic drinks with an alcohol percentage greater than 15%

Answer 29

Distillation is used

Question 30

What is the word equation for the fermentation of glucose to ethanol

Answer 30

Glucose —yeast—> ethanol +carbon dioxide + water

Question 31

Why is there only a low amount of ethanol produced during fermentation

Answer 31

Most of the liquid is water

Question 32

What is distillation used for

Answer 32

To increase the alcohol percentage

Question 33

What is the distillation process to produce pure ethanol

Answer 33

The mixture is slowly heated and the ethanol boils first and turns into a gas. It then travels down the condenser where it is turned back into a liquid to be collected

Question 34

What is the boiling point of ethanol

Answer 34

79 degrees