Irreversible Reactions

Question 1

Dynamic

Answer 1

when a reaction is still occurring

Question 2

Dynamic Equilibrium

Answer 2

the state of balance with both reactants and products present in unchanging amounts

Question 3

Equilibrium

Answer 3

because of unchanging amounts

Question 4

Fertiliser

Answer 4

used to replace nitrogen in the soil

Question 5

Fritz Haber

Answer 5

a German chemist who invented the Haber process in the first world war and was awarded a Nobel Peace Prize for it, but later had that prize taken off him for working in developing chemical weapons and then took his own life

Question 6

Haber Process

Answer 6

a reversible industrial process for producing ammonia from nitrogen, from the air, and hydrogen, from methane, which are purified and then passed over an iron catalyst at 450 degrees, the ammonia is then cooled and condensed into a liquid, after which the unreacted hydrogen and nitrogen is recycled

Question 7

Litmus

Answer 7

a type of indicator solution

Question 8

Methyl Orange

Answer 8

a type of indicator solution that turns red in acids and yellow in alkalis

Question 9

Munitions

Answer 9

explosive weapons that are generally made by ammonia

Question 10

Phenolphthalein

Answer 10

a type of indicator solution that turns fuchsia in alkali

Question 11

Universal Indicator

Answer 11

a form of indicator solution made up of lots of different indicators

Question 12

NH3’s boiling point

Answer 12

-33 degrees C

Question 13

N2’s boiling point

Answer 13

-196 degrees C

Question 14

H2’s boiling point

Answer 14

-253 degrees C