Alcohol, Carboxylic Acids And Energy

Question 1

How many carbons does methanol have

Answer 1

one

Question 2

what functional group do alcohols contain

Answer 2

-OH
Hydroxyl group

Question 3

Alcohols have the same prefixes as hydrocarbon e.g. pent,prope,bute

True or False

Answer 3

True

Question 4

What do all alcohols end in

Answer 4

“Ol”

Question 5

What is the shortened structural formula for ethanol

Answer 5

CH3 CH2 OH

Question 6

What is an exothermic reaction?

Answer 6

A reaction that releases heat energy

Question 7

What is an endothermic reaction?

Answer 7

A reaction that takes in energy

Question 8

What is combustion?

Answer 8

A substance reacts with oxygen releasing energy

Question 9

Hydrocarbons and alcohols burn in a plentiful supply of…..to produce……and water

Answer 9

Oxygen, carbon dioxide

Question 10

What is the formula for measuring energy from fuels?

Answer 10

Eh = c x m x ∆T

Question 11

What are the units of c, m, and ∆T

Answer 11

c = specific heat capacity of water = KJ Kg-1°C
m = mass = Kg
∆T = temperature change= °C

Question 12

What is the general formula for saturated straight chain molecules?

Answer 12

CnH2n+1OH

Question 13

What function group do alcohols contain?

Answer 13

Hydroxyl, –OH

Question 14

Alcohols are used as…..as they are highly flammable and burn with very…….

Answer 14

fuels, clean flames

Question 15

Alcohols are often used as…..

Answer 15

Solvents