2 years ago

Brainliest is you answer quick!!!

Chemistry

2 answers:

Diano4ka-milaya [45]2 years ago

8 0

Answer:

The inside layer of skin is the Insulator layer.

please mark me as brainliest<u />

quester [9]2 years ago

3 0

THE INNER LAYER. OF. SKIN IS CALLED AS EPIDERMIS

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Determine the percentage composition by mass of each of the elements in the following compounds

adoni [48]

Answer:

63.9%

Explanation:

moral mass of x (# x ions) -divided by- Moral mass of compound.

% of cl = (35.5g) (2 cl ions) -divided by- 111.1g × 100

%= 63.9%

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2 years ago

Why is the value listed for atomic mass for each element on the periodic table not a whole number?

sweet-ann [11.9K]

A. it is an average

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Given that the ksp of aipo4 is 9.84 x 10-21 at 25°c, calculate the molar solubility of aiop4

svp [43]

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Ksp= [Al+3] x [PO4-3]= 9.84 x 10^-21

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3 years ago

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A glass object receives a positive charge by rubbing it with a silk cloth. in the rubbing process, have protons been added to th

MaRussiya [10]

Electrons are the only thing that can freely move from one object to another object. By rubbing the silk cloth on the glass, since the net charge becomes positive, that means that electrons were removed. So answer is : electrons removed.

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3 years ago

Draw the Lewis structure (including resonance structures) for the acetate ion (CH3COO−). For each resonance structure, use squar

kaheart [24]

Answer:

Lewis structure is shown in the image below.

Explanation:

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Valence electrons of carbon = 4

Valence electrons of oxygen = 6

Valence electrons of hydrogen = 1

Charge = 1 (Negative which means that the electrons are being added)

The total number of the valence electrons = 2(4) + 2(6) + 3(1) + 1 = 24

The Lewis structure is drawn in such a way that the octet of each atom and duet for the hydrogen in the molecule is complete. So,

The Lewis structure is shown in the image below.

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3 years ago