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earnstyle [38]
3 years ago
14

Which of the following is NOT a good way to reduce pollutants in paint shops? A) Use extra topcoat color to get better coverage

B) Use a tintable primer. C) Use a distillation machine or still D) Use a paint gun clean up or wash machine 82 POINTS
Chemistry
1 answer:
vovikov84 [41]3 years ago
7 0

<em>A) Use extra topcoat color to get better coverage is not a good way to reduce pollutants in paint shops, because the smell of paint is also a pollutant, plus the wording doesn't make sense. Besides, washing everything can help get pollutants out,  and only one layer of paint cuts back on the polution from the smells. </em>

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The picture below shows a mixture that was stirred 3 minutes ago.
zimovet [89]
This compound should be classified as a suspension fluid. This happens when a fluid is denser than another fluid.
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4 years ago
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Given an initial cyclopropane concentration of 0.00560 m, calculate the concentration of cyclopropane that remains after 1.50 ho
maria [59]

<span>We can solve this problem by assuming that the decay of cyclopropane follows a 1st order rate of reaction. So that the equation for decay follows the expression:</span>

A = Ao e^(- k t) 

Where,

A = amount remaining at time t = unknown (what to solve for) <span>
Ao = amount at time zero = 0.00560 M </span><span>
<span>k = rate constant
t = time = 1.50 hours or 5400 s </span></span>

The rate constant should be given in the problem which I think you forgot to include. For the sake of calculation, I will assume a rate constant which I found in other sources:

k = 5.29× 10^–4 s–1                     (plug in the correct k value)

<span>Plugging in the values in the 1st equation:</span>

A = 0.00560 M * e^(-5.29 × 10^–4 s–1 * 5400 s )

A = 3.218 <span>× 10^–4 M           (simplify as necessary)</span>

8 0
3 years ago
How does iodine help in promoting thyroid health​
faust18 [17]

Answer:

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Explanation:

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3 years ago
Okay, so i got a question about phenotype, and geneotype, and i dont know how to do it. The question is: Some trolls have one ey
lys-0071 [83]

Answer:

= 25 %

Explanation:

Given that :

the genotype attributed to  trolls having one eye  = (EE, Ee);  that is homzygous dominant or heterozygote dominant for eye number

Likewise those that posses two eyes have (ee) ; that is homzygous recessive

Now; two heterozygous one eyed trolls are crossed ; we have :

Ee  × Ee

The punnet square for this cross looks like what we have below:

               E                e

E              EE              Ee

e              Ee               ee

From the above cross; we have:

1   EE    ---- (homozygous dominant ) indicating troll having one eye

2  Ee    ---- ( heterozygote dominant ) indicating troll having one eye

1  ee    ----- ( homozygous recessive ) indicating troll having two eyes

The genotypic ratio is 1:2:1

Thus; the expected genotype ratio of the two eyed offspring = \frac{1}{4}*100

= 25 %  

4 0
3 years ago
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