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2 years ago

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

Chemistry

2 answers:

dem82 [27]2 years ago

7 0

Dont know the first part but melanin quantities change the dkin color

andriy [413]2 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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LenKa [72]

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3 years ago

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Nicole has a 5 lb bag of carrots and a 2 oz bag<br>of carrots. How much does Nicole have in total?

svp [43]

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5 pounds 2 ounces.

Explanation:

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3 years ago

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3 years ago

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3 years ago

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Calculate the molarity of a solution consisting of 25.0 g of KOH in 3.00 L of solution.

melomori [17]

Answer:

0.15M

Explanation:

The equation for molarity is M= n/L. Where "M" is Molarity, "n" is the number of moles of solute, and "L" is the total liters in solution.

You need to calculate the number of moles from the given grams. The molar mass of KOH is (39.098+ 16 +1.008)= 56.106g. To calculate the mols of KOH, $\frac{25.0g}{1}$ × $\frac{1 mol}{56.106g}$ = 0.44558... mol, you see that the grams unit cancel out leaving you with mol as the unit.

The volume is given in L already so no need to do any conversion. M= $\frac{0.4558mol}{3.00L}$ = 0.1485M ≈ 0.15M

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2 years ago