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Sladkaya [172]
3 years ago
11

How do kidneys work with other body systems to maintain homeostatis

Chemistry
1 answer:
posledela3 years ago
8 0
Kidneys<span> filter the extra water and toxic materials in your blood (circulatory </span>system<span>). The help </span>maintain homeostasis by keeping the level of toxic materials down in your body<span>. The filtered materials are sent, with the extra water, to your bladder , where it is known as urine/ pee.

According to a website

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2 years ago
Urea, a compound formed in the liver, is one of the ways humans excrete nitrogen. The Lewis structure for urea is H N H H C H O
yanalaym [24]

Answer:

The nitrogens are both sp3 hybridized. Their  bonds are formed by sp overlaps. The carbon and oxygen are sp2 hybridized. The double bond with oxygen is produced by a sp2 overlap to form the sigma component and a probital overlap to form the pi component. The bonds with hydrogen are formed by sp2 overlaps.

Explanation:

5 0
3 years ago
A sample of silver metal contains 1.91 X 1021 atoms. How many moles of silver is<br> this?
alexandr402 [8]

Answer:

1.91×1021/6.023×10^23

Explanation:

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6 0
2 years ago
The atomic mass of seven atoms of antimony is ?
son4ous [18]

Answer:

Percent composition by element

Element Symbol Atomic Mass

Antimony Sb 121.760

Explanation:

6 0
2 years ago
Determine the total time that must elapse until only ¼ of an original sample of the radioisotope Rn-222 remains unchanged.
Arte-miy333 [17]

Answer:

7.6 days

Explanation:

Radon is a radioactive element and Radon-222 is it's most stable isotope. The half-life of Radon-222 has been found to be approximately 3.8 days.

Let, the initial amount of the Rn-222 = 1 = A

Final amount = \frac{1}{4} = A'

We will use the following relation for calculating time elapsed in the decay

A' = A(\frac{1}{2} )^\frac{t}{t_1_/_2}  }

Thus,

\frac{1}{4} =1(\frac{1}{2} )^\frac{t}{3.8}

We can write is as,

(\frac{1}{2} )^2=(\frac{1}{2} )^\frac{t}{3.8}

Since the base in both sides are equal, powers can also be equal and thus,

2=\frac{t}{3.8}

So, t = 7.6 days

5 0
3 years ago
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