Unit v assessment | Chemistry homework help

Unit V Assessment

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Question 1

1.      

Compounds oxidize when they lose hydrogen atoms. An example is the decomposition of methanol. What products are formed when methanol

 

Question 2

1.      

When bleach and ammonia are mixed, one of the chemical reactions is

2NaOCl + 2NH3 2NaONH3 + Cl2. Which reactant undergoes reduction?

 

Question 3

1.      

An old cooling tower is being demolished at a gas processing plant. Which of the following statements would be FALSE?

 

Question 4

1.      

 

You are the first on-the-scene responder at a hazmat incident in your community. Which of the following indicators would NOT indicate that the material involved is an oxidizer?

 

Question 5

1.      

Fireworks are items intentionally designed for the purpose of producing visual and audible effect by means of combustion, explosion, deflagration, and detonation reactions. Select which of the following statements is FALSE regarding fireworks

 

Question 6

1.      

The tarnishing of silver is an example of a

 

Question 7

1.      

Following Hurricane Katrina in 2005, what oxidizer did cleanup crews use to eradicate the mold that grew in homes

 

 

Question 8

1.      

The components of ordinary gunpowder are elemental sulfur, charcoal, and potassium nitrate. When gunpowder explodes, these components react as follows:

 

Question 9

1.      

One or more of the ions that do not participate in an oxidation-reduction reaction are called

 

 

Question 10

1.      

The oxidation number of chlorine in KClO4 is

 

Question 11

1.      

Ammonium nitrate is the most commercially important chemical product containing the ammonium ion.

a.    List and describe at least two grades of commercially available ammonium nitrate.

b.    Why does OSHA require employers to store bulk quantities of ammonium nitrate within a bin that is clean and free of contaminants? Give an example of a contaminant, and describe its interaction with ammonium nitrate.

Your total response must be at least 200 words in length. All sources used, including the textbook, must be referenced. Paraphrased and/or quoted materials must have accompanying in-text and reference citations in APA format.

 

 

Question 12

1.      

Metallic peroxides and metallic hypochlorites, when used as bleaching agents, are distinguished by calling the latter chlorine bleach.

a.    For hypochlorite bleaching agents, why do manufacturers sometimes identify their available chlorine on product labels? Explain what available chlorine means?

b.    Discuss some hazards associated with metallic hypochlorites.

c.    Discuss how water can effectively extinguish oxidizer supported fires.

Your total response must be at least 200 words in length. All sources used, including the textbook, must be referenced. Paraphrased and/or quoted materials must have accompanying in-text and reference citations in APA format.

 

 

 

 

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