Sep 28, 2017 term paper 2


This paper concentrates on the primary theme of FOR ADRIAN MOORE: in which you have to explain and evaluate its intricate aspects in detail. In addition to this, this paper has been reviewed and purchased by most of the students hence; it has been rated 4.8 points on the scale of 5 points. Besides, the price of this paper starts from £ 40. For more details and full access to the paper, please refer to the site.


DIRECTIONS: Below are 3 essay questions requiring 200 words at a minimum. No Plagarism, and please

justify questions in detail.


1) You are the project manager of an environmental company that was hired to cleanup a historical arsenic contamination site. Soil sampling results indicated the area impacted with arsenic above action levels is 30 feet by 55 feet. The depth of the arsenic plume is three feet below ground surface. The land owner wanted to clean this site for future development. Answer the questions below to help you prepare a cost estimate for this portion of the project. Your solutions and any assumptions to justify your estimate must be shown.


a. What is the chemical symbol of arsenic, and what group/family does it belong to?

b. Solve for the minimum volume of soil that will be excavated in cubic yards?

c. If each dump truck can transport 18 cubic yards, determine how many dump trucks loads will be transported? For calculation purposes, add a 15% “fluff factor” (add to the volume that will be transported)..

d. If the bulk density of soil is 1350 kg/m3 (84.3 lb/ft3), solve for the weight of the soil that will be transported to a disposal site in kilograms?


Your total response to parts a-d must be at least 200 words in length.


2) 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.

a. If there is a spill of liquid hydrogen, why will it likely burst into flame spontaneously?

b. 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?

Your total response must be at least 200 words in length


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

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

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

Your total response must be at least 200 words in length.

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