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lara31 [8.8K]
3 years ago
9

What are three layers of the skin called

Chemistry
2 answers:
kykrilka [37]3 years ago
5 0
The three layers of skin are Subcutis,dermis and epidermis.

Subcutis: the bottom layer is called Subcutis, also called Fat layer
Dermis   : The middle layer is called Dermis
Epidermis :the topper most layer is called Epidermis
andreev551 [17]3 years ago
3 0
The epidermis, the top layer
The dermis, middle layer
The hypodermis, bottom layer

There you go!
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The correct mathematical expression for finding the molar solubility (s) of calcium phosphate is
GalinKa [24]

Answer is: The molar solubility of calcium phosphate is 108s⁵ = Ksp.

<span> Balanced chemical reaction: Ca</span>₃(PO₄)₂(s) → 3Ca²⁺(aq) + 2PO₄³⁻(aq).<span>
[Ca²</span>⁺] = 3s(Ca₃(PO₄)₂) = 3s.<span>
[PO</span>₄³⁻] = 2s.<span>
Ksp = [Ca²</span>⁺]³ · [PO₄³⁻]².<span>
Ksp = (3s)³ · (2s)².
Ksp = 108s</span>⁵.

s = ⁵√(Ksp ÷ 108).

6 0
3 years ago
The heat of combustion of ethane is -337.0kcal at 25 degrees celsius. what is the heat of the reaction when 3g of ethane is burn
Ghella [55]

Answer:

Q = -33.6kcal .

Explanation:

Hello there!

In this case, according to the equation for the calculation of the total heat of reaction when a fixed mass of a fuel like ethane is burnt, we can write:

Q=n*\Delta _cH

Whereas n stands for the moles and the other term for the enthalpy of combustion. Thus, for the required total heat of reaction, we first compute the moles of ethane in 3 g as shown below:

n=3g*\frac{1mol}{30.08g}=0.1mol

Next, we understand that -337.0kcal is the heat released by the combustion of 1 mole of ethane, therefore, to compute Q, we proceed as follows:

Q=0.1mol*-337.0\frac{kcal}{mol}\\\\Q=-33.6kcal

Best regards!

8 0
3 years ago
Advanced flow measuring devices ? <br> I need info about this topic please
Elenna [48]

Answer:

they are:-

venturi meter.

orfice plate.

Dall tube .

pitot tube.

Averaging pitot tube .

cone meter.

linear resis meter.

5 0
2 years ago
All of the factors described below could account for the difference in the sizes of the tomatoes. Which describes a way in which
disa [49]

Answer:

D my guy

Explanation:

I have a hunch if its biotechnology involved with plants selective breeding seems most appropriate

3 0
3 years ago
What is the mass of 6.12 moles of arsenic (As)?
Alecsey [184]
The answer is D. 459 g As
5 0
3 years ago
Read 2 more answers
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