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vehicle emission control and strategy

need solution for all attached questions with full explanations.

eg.

Problem-2-1

Industrial representatives claim that the NAAQS for SO2 is so low that one exceeds it if one

strikes a simple wooden match in a modest-sized room. Is this true? [1 ft = 30.48 cm, Molar Mass

of Oxygen = 16 kg/kmol, Molar Mass of Sulfur = 32 kg/kmol]

(a) Calculate the concentration expected for striking such a match in a room that is 15 ft by

15 ft by 8 ft. A typical 2-inch wooden match contains ? 2.5 mg of sulfur.

(b) Compare the resulting concentration to the annual average SO2 ambient air quality

standard [see the Table below]

a.)S(s) + O2(g) ? SO2(g)

32kgkmol-1 + 32kgkmol-1 ? 64kgkmol-1

So as Sulfur burns and converted to Sulfur Dioxide mass convert to twice as initial mass.

Sulfur mass contains in a wooden match = [url removed, login to view]

Mass of Sulfur Dioxide generated = 5.0 mg

Volume of the room = length x height x width

= (15x30.48x10-2)x(15x30.48x10-2)x(8x30.48x10-2)m3

= [url removed, login to view]

Hence, Sulfur Dioxide concentration = Sulfur Dioxide mass/volume

= 5.0 mg/[url removed, login to view]

= [url removed, login to view]

= 98µg/m3

b.) Annual average SO2 ambient air quality standard = 80µg/m3

This value is lower than the sulfur Dioxide concentration generated by match.

Hence, “Industrial representatives claim that the NAAQS for SO2 is so low that one exceeds it if one strikes a simple wooden match in a modest-sized room.” It is true.

Taidot: Kemiantekniikka, Energia, tekniikka, Matematiikka, Koneenrakennus

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Tietoa työnantajasta:
( 5 arvostelua ) SINGAPORE, Singapore

Projektin tunnus: #4300324

Myönnetty käyttäjälle:

ANK1991

Hey I have just completed my degree in chemical engineering and we deal with such kind of problems everyday. I have gone through all the questions and I can complete this in a day without any problem.

35 $ SGD 2 päivässä
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3 freelanceria on tarjonnut keskimäärin 38 $ tähän työhön

romanuwa

I can do this, and you know me.

40 $ SGD 2 päivässä
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btnetworks1

Hi , I have read the project description and, I m the perfect match for this project. I am mechanical engineer having 8 years experiences in design field. Kindly assign the task to me. Will complete this project p Lisää

40 $ SGD 7 päivässä
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