Question :

Coal is mined worldwide for use mainly at power plants to generate electricity.

1. Discuss why coal in a crushed, granulated, or pulverized form spontaneously combusts? In addition, what health effects are associated with coal dust?

2. Another form of carbon is activated carbon. Discuss what activated carbon is, and provide at least two of its industrial or medical applications.

Your response must be at least 200 words in length.

Question :

Sulfur is one of the world’s most important raw materials. Fires involving sulfur pose some unique hazards.

1. Why are secondary fires likely to result near burning bulk quantities of sulfur? What precautions should be taken to prevent these secondary fires?

2. What are the two common allotropes of sulfur? Discuss some commercial uses of sulfur.

Your response must be at least 200 words in length.