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ira [324]
3 years ago
14

In what layer of the skin is melanin found? What does melanin do for skin cells?

Chemistry
2 answers:
dem82 [27]3 years ago
7 0
Dont know the first part but melanin quantities change the dkin color
andriy [413]3 years ago
7 0
Melanin is found in the basal layer of the epidermis. It is produced by the oxidation of the amino acid tyrosine. is absorbs light a and effects skin color.
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What is the molarity if 16. 0 grams of NaOH is dissolved in 855 mL of solution?
DiKsa [7]

Answer:

734.0 grams

Explanation:

Because 16.0 and 855 mL it is 734.0 grams :) hope it helps

4 0
2 years ago
Because there is a large amount of empty space between gas molecules, the gas has the property of___
rewona [7]
<span>These gas molecules are much smaller than the distance between them.
</span><span>So, most of the volume of a gas is therefore empty space.
</span><span>There is no force of attraction between gas particles or between the particles and the walls of the container.
Because there is a large amount of empty space between gas molecules,the gas has property of low density.</span>
4 0
3 years ago
Percent composition?: 85.05 g of Mg combines completely with 112.21 g of S.
hammer [34]

Empirical Formula = C20 H60 HG1 S1 O4 (numbers should be in subscript)

Percent Composition =

MG = 43%

S = 56.8%

5 0
3 years ago
Cuales son los cambios que siempre envuelven cambios en la compocision de la sustancia?
QveST [7]

I already answered this question in Spanish language. Now I answer in English.


Answer: the chemical changes.


Explanation:


We understand by composition of a substance to the proportion (ratio or percentage) of each element (type of atoms) that makes up the same, as well as the way in which these elements are linked (chemical bonds).


A chemical change is a process, also called a chemical reaction, in which one or more substances are converted into different substances.


The resulting substances are different because their composition is different, since some chemical bonds have been broken and others have been formed, giving rise to a new structure. The chemical formula of each compound product of the chemical change will present a different combination of atoms, in ratio or structure.

3 0
2 years ago
A particle accelerates from rest with an acceleration of 8.0m/s2. Calculate its velocity after 150s. What kinematic formula must
Ipatiy [6.2K]

<u>Answer</u>:

Final velocity: 1200 m/s

<u>Explanation</u>:

Formula:   \overline{a} = \frac{v - v_0}{t} = \frac{\Delta v}{\Delta t}

<u>Where</u>:

a = average acceleration

v = final velocity

vo = starting velocity

t = elapsed time

<em>Here the final velocity is unknown which we have to find. The initial is 0 m/s</em>

<em>as it was at rest. The time taken: 150 seconds. Acceleration given 8.0 m/s²</em>

using the formula:

\overline{a} = \frac{v - v_0}{t}

8 = \frac{v - 0}{150}

v = 1200 m/s

4 0
2 years ago
Read 2 more answers
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