Chemical formulae of alcohols

Question 1

Methanol

Answer 1

CH3OH

Question 2

Ethanol

Answer 2

CH3CH2OH

Question 3

Propanol

Answer 3

CH3CH2CH2OH

Question 4

Butanol

Answer 4

C4H9OH

Question 5

Combustion

Answer 5

A combustion reaction occurs when a substance burns in oxygen.

Question 6

What does hydrocarbon undergoing combustion produce

Answer 6

A hydrocarbon that undergoes combustion produces carbon dioxide and water.

Question 7

Give me an example of that

Answer 7

Ethanol burns in oxygen to produce carbon dioxide and water

Question 8

Exothermic reaction

Answer 8

If a reaction gives out energy / releases energy to its surroundings, its an exothermic reaction.

Question 9

What are alcohols

Answer 9

Alcohols are a homologous series

Question 10

General formula of alcohols

Answer 10

C2H2n+1OH

Question 11

Properties of alcohols

Answer 11

Alcohols are flammable and soluble in water, they are also colourless

Question 12

What functional group

Answer 12

-OH Hydroxyl functional group

Question 13

What are alcohol used as

Answer 13

Alcohol are commonly used as fuels

Question 14

What is a fuel

Answer 14

A fuel is a substance that burns to release/give out energy

Question 15

Evaluation

Answer 15

For next time, I should minimise heat loss by decreasing the distance between the flames and the copper can. This then makes my experiment more valid and accurate.