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julia-pushkina [17]
4 years ago
15

What chemicals go into lake michigan

Engineering
2 answers:
zhannawk [14.2K]4 years ago
8 0

Answers:

Chemicals such as PCBs, dioxins, furans, and hexachlorobenzene are 3 of many different chemicals that are deep in lake michigan.

Explanation:

solniwko [45]4 years ago
7 0

Answer:

They include PCBs, dioxins, furans, hexachlorobenzene, benzo(a)pyrene (one of many polyaromatic hydrocarbons or PAHs), lead and mercury compounds and pesticides (toxaphene, mirex, aldrin/dieldrin, DDT). 3 Great Lakes Water Quality Agreement Work Group Report on Chemicals of Emerging Concern, August 2009.

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Explanation:

At what distance should the warning triangle be placed if a vehicle breaks down on the autobahn?

200 Meters

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4 years ago
Air at 400 kPa, 980 K enters a turbine operating at steady state and exits at 100 kPa, 670 K. Heat transfer from the turbine occ
AURORKA [14]

Answer:

a) w_{out} = 281.55\,\frac{kJ}{kg}, b) s_{gen} = 0.477\,\frac{kJ}{kg\cdot K}

Explanation:

a) The process within the turbine is modelled after the First Law of Thermodynamics:

-q_{out} - w_{out} + h_{in}-h_{out} = 0

w_{out} = h_{in} - h_{out}-q_{out}

w_{out} = c_{p}\cdot (T_{in}-T_{out})-q_{out}

w_{out} = \left(1.005\,\frac{kJ}{kg\cdot K}\right)\cdot (980\,K-670\,K)-30\,\frac{kJ}{kg}

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b) The entropy production is determined after the Second Law of Thermodynamics:

-\frac{q_{out}}{T_{surr}} + s_{in}-s_{out} + s_{gen} = 0

s_{gen} = \frac{q_{out}}{T_{surr}}+s_{out}-s_{in}

s_{gen} = \frac{q_{out}}{T_{surr}}+c_{p}\cdot \ln\left(\frac{T_{out}}{T_{in}} \right)

s_{gen} = \frac{30\,\frac{kJ}{kg} }{315\,K} + \left(1.005\,\frac{kJ}{kg\cdot K} \right)\cdot \ln\left(\frac{980\,K}{670\,K} \right)

s_{gen} = 0.477\,\frac{kJ}{kg\cdot K}

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3 years ago
Which is the most effective way to reduce discrimination at the workplace? A. Appoint employees of a single race or religion. B.
sveticcg [70]

Answer:

C is the correct answer coz the others don't make sense

6 0
2 years ago
Read 2 more answers
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