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IRINA_888 [86]
2 years ago
13

Multiple Select Question

Chemistry
1 answer:
Serggg [28]2 years ago
7 0

The four (4) functions of water in the body are:

I. Site for many reactions.

II. Transport of nutrients and wastes.

III. Carries heat.

IV. Acts as solvent.

Water can be defined as a liquid molecule that comprises two (2) main chemical elements, which are hydrogen and oxygen in the ratio of two to one (2:1).

Generally, water is considered to be an important and essential chemical molecule that aids in the growth and development of the body of living organisms. The four (4) functions of water in the body of a living organism are:

  • It is typically a site for many reactions.
  • It helps in the transportation of nutrients and wastes around the body.
  • It carries heat from a hot region.
  • It acts as solvent to dissolve a solute to produce a solution.

Read more: brainly.com/question/19695951

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Which element and how many atoms does each compound have in the picture?
Stells [14]
The first one has 35 atoms and the elements hydrogen, oxygen and chlorine

The second one has 9 atoms and the elements sodium, carbon, and helium
7 0
3 years ago
The quinine in tonic water shines a strange blue-white colour when lit with UV light. Explain what is happening here.
Alecsey [184]

Answer:

Here's what I get.

Explanation:

Quinine contains phosphors, substances that glow when they are hit with certain wavelengths of light.

The phosphors in quinine absorb UV light, which is invisible to our eyes.

Electrons in the phosphors absorb the UV energy and are excited to higher energy levels.

When the electrons drop back to lower energy levels, they emit some of this energy as a glowing blue visible light.  

5 0
3 years ago
How many protons does a nitrogen atom have?<br> 07<br> 0 14<br> 8<br> 05
VLD [36.1K]

Answer:

07.

Explanation:

8 0
2 years ago
Read 2 more answers
FIRST ANSWER = BRAINLIEST
STALIN [3.7K]

A_{r} = 24.3

The average atomic mass of X is the <em>weighted average</em> of the atomic masses of its isotopes.  

We multiply the atomic mass of each isotope by a number representing its <em>relative importance</em> (i.e., its % abundance).  

Thus,  

0.790 × 24 u = 18.96 u

0.100 × 25 u =   2.50 u

0.110 × 26 u =    <u>2.86 u</u>  

       TOTAL =  24.3   u

∴ The relative atomic mass of X is 24.3.


5 0
2 years ago
How many atoms of Ga are there?
xz_007 [3.2K]
The answer is 2

Hope this helped ??
5 0
2 years ago
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