Chemical Reactions

1) What is a Reaction ?

Reactions - metals with oxygen - process called oxidation - forms metal oxides
potassium + oxygen
sodium + oxygen

Reactions - metals with water - form metal hydroxide and hydrogen gas
potassium + water

Reactions - metals with acids - produce salt and hydrogen gas
magnesium + hydrochloric acid
zinc + sulfuric acide
iron + sulfuric acid

2) Can you name the four factors that affect the rate of reaction ?
Temperature
Surface Area
Concentration / Pressure
Any Catalysts

3) What is an Enzyme ?
This is a biological catalyst

4) Can you give some examples of chemical reactions ?
Sodium + Hydrogen = Sodium Hydride
Hydrogen + Oxygen = Water
Sodium + Hydrochloric Acid = Sodium Chloride + Hydrogen
Hydrogen + Carbon = Methane Gas

5) What is the Haber Process ?
It produces Ammonia from Nitrogen and Hydrogen