16 Sulfur

sulphuric acid

Concentrated is corrosive and a powerful oxidising agent.

Oleum

is added to water to form concentrated sulfuric acid:

Sulfites

are often added to foods and these release sulfur dioxide in acidic conditions.

dilute solution

In it is used as a catalyst in many organic reactions and to clean the surface of metals.

extra energy

It is not worth spending the or money required to produce high pressures.

Sulfur dioxide

is used as a bleach in the manufacture of wood pulp for paper, and as a preservative for foods and drinks by killing bacteria.

sulfuric acid

Concentrated is used in car batteries, making fertilisers, soaps and detergents.

acid drain cleaners

It is also used to make and in the production of paints and dyes.

position of equilibrium

The reaction is exothermic, so increasing the temperature shifts the to the left in the direction of the reactants.

Sulfur

is found in its elemental state underground in the USA, Mexico and Poland.

rubber tyres

It is also used extensively in making more flexible (vulcanising), where the rubber is heated with sulfur.

sulphuric acid

Concentrated is also a very powerful dehydrating agent and is very good at removing water from other substances.

sulfur dioxide

A higher pressure causes the to liquefy.

Sulfuric acid

is a strong dibasic acid as two of its hydrogen atoms can be replaced by a metal.

Sulfur dioxide

can be made by burning sulphur in air.

Pressure

2 atm