Question • Question 1 4 out of 4 points Hydrogen can also be produced from the reaction o

• Question 1

4 out of 4 points

Hydrogen can also be produced from the reaction of certain metals with water and acids. Which of the following metals has the LOWEST activity series based on the arrangement included in Table 7.5?

• Question 2

4 out of 4 points

An employee at a municipal water treatment plant was experiencing chest pain, nausea, and burning of the eyes and throat. The industrial hygienist has determined that it may be due to chlorine exposure at which levels?

• Question 3

4 out of 4 points

Which of the following statements regarding oxygen is FALSE?

• Question 4

4 out of 4 points

Firefighters are advised to use dry sand rather than wet sand to extinguish a small red phosphorus fire, why?

• Question 5

0 out of 4 points

A soil vapor extraction system equipped with carbon canisters is used to remediate gasoline contamination at a gas station. Which of the following statement is TRUE?

• Question 6

20 out of 20 points

Although coal is no longer the favored energy source, U.S. coal mines still produced close to a billion short tons of coal. Match the description of the following chemical products obtained from or related to coal.

o

Question Correct Match Selected Match

Coke A.

Carbon black F.

Coal gas I.

Coal tar pitch B.

Coal tar E.

Creosote oil H.

Coal tar distillate G.

Anthracite C.

Lignite J.

Charcoal D.

• Question 7

26 out of 30 points

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.

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

2. 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. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced. Paraphrased and/or quoted material must have accompanying citations in APA format.

• Question 8

26 out of 30 points

Liquid oxygen (LOX) is used in the aerospace industry, steel industry, electric power plants, and hospitals.

0. A hospital is installing their own bulk oxygen system due to their large volume of consumption. OSHA regulation 29 CFR 1910.104(b)(2)(iii) requires owners of bulk oxygen systems to provide noncombustible surfacing in areas where liquid oxygen might leak during operation of the system or during the filling of a storage container. If the hospital provides an asphalt surface in areas where oxygen could potentially leak, will they be in compliance? Explain your answer.

1. In a another scenario, what actions should an emergency-response crew take to protect lives, property, and the environment at a collision scene involving separate spills of liquid oxygen and automobile fuel?

Your total response must be at least 200 words in length. You are required to use at lea

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