Question #1
Your total response must be at least 200 words in length.
Hydrogen is being used in some areas of the United States, such as in California, as an alternative motor fuel for automobiles. What are the concerns regarding hydrogen that are currently limiting its widespread use throughout the world?
Discuss your thoughts from a 1) socioeconomic, 2) chemical reactions, and 3) safety perspective. Be specific in your statements.
Question #2
Your total response must be at least 200 words in length.
Coal is mined worldwide for use mainly at power plants to generate electricity.
Discuss why coal in a crushed, granulated, or pulverized form spontaneously combusts? In addition, what health effects are associated with coal dust?
Another form of carbon is activated carbon. Discuss what activated carbon is, and provide at least two of its industrial or medical applications.
Question #3
Your total response must be at least 200 words in length.
Coal gasification electric power plants are now operating commercially in the United States and in other nations. This technology produces clean-burning hydrogen that can be transferred to customer facilities by pipeline. Hydrogen can also be transported in bulk by highway or rail.
If there is a spill of liquid hydrogen, why will it likely burst into flame spontaneously?
Why do experts recommend the use of a thermal-imaging camera for detecting a hydrogen leak from a pipe fitting connected to a steel cylinder of hydrogen?