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Aleks04 [339]
3 years ago
10

What ph would you make the water layer in order to cause the acid to dissolve in the water layer and the amine to dissolve in th

e ether layer?
Biology
1 answer:
Ainat [17]3 years ago
4 0
What you have to bear in mind is to make the compound charged, in order that it will be soluble in water than in ether. You should make the pH basic for acid as in the salt compound in order to cause the acid to dissolve in the water layer.<span> </span>
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Fifty years ago, bed bugs were nearly eliminated in the United States by using of pesticides like DDT. Today bed bugs are back i
Doss [256]
I would say D it seem to be the likely choice but not a 100%
4 0
3 years ago
Read 2 more answers
The plane that separated the body into superior and inferior portions is a sagittal plane.
dybincka [34]

Answer: False  

Explanation:

The saggital plane divides the body into two halves based on the fact that the body is segmented into left and right planes.

The plane may be away or at can lie at the center of the body and it splits the body into parts. It  may be far or close to the midline of the body. It may also split the body into two unequal parts.

The term saggital is coined by Gerard Cremona.

7 0
3 years ago
If intrapulmonary pressure was 760 mm hg, what would you expect the intrapleural pressure to be?
Natasha_Volkova [10]
<h3><u>Answer;</u></h3>

756 mm Hg

<h3><u>Explanation;</u></h3>
  • Intrapleural pressure is the pressure of the air within the pleural cavity, between the visceral and parietal pleurae. This pressure changes during different phases of breathing.
  • <em><u>Due to certain characteristics of the lungs, the intrapleural pressure is always lower than, or negative to, the intra-alveolar pressure. It  remains approximately –4 mm Hg throughout the breathing cycle.</u></em>
  • <em><u>Therefore; if the intrapulmonary pressure was 760 mm hg then the intrapleural pressure will be (760 -4) mm Hg, that is 756 mm Hg</u></em>
7 0
3 years ago
Explain how myopia and hyperopia are related to the lens focusing on the retina.
liq [111]

Answer:

In myopia the image is focused ahead of the retina. While in Hyperopia the image is focused beyond or behind the retina.

Explanation:

I'll start by defining the two key terms, Myopia and Hyperopia. Myopia is otherwise called short-sightedness. It is a condition where one cannot see the images of objects located far away from the eyes and tend to see images within a short distance from the eyes. Hyperopia on the otherhand is otherwise known as long-sightedness. It is an eye defect which manifests by one not seeing objects close to the eyes instead he or she see only objects far from the eyes. These two eye defects are a malfunction of the accomodation feature of the eye.

Normally when an object is viewed all the parts of the eye (the organ for vision) function to focus the image of that object on the retina but especially on a part of it called the *light spot*. This then translates the image to the brain using the optical nerve. The brain then interpretes what is being viewed

However in Myopia, images are focused ahead of the retina . This is as a result of the eyeball being too long in relation to the focusing power of the cornea and eye lens.

In Hyperopia on the other hand, images are focused behind the retina. This is by the diameter of the eye being too short or the cornea being too flat.

In conclusion, from the above stated points,it is glaring that Myopia and Hyperopia affect the lens's ability to focus images on the retina.

4 0
3 years ago
How are primary and secondary succession the same?
ruslelena [56]
They are both the same and different in some way. But, if you're looking for the similarities, they both "rebulid" the environment that has been damaged by nature itself or by humans. The only difference is Primary succession takes longer than secondary succession. I hope this helped! :-)

8 0
3 years ago
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