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Ede4ka [16]
4 years ago
10

26 PONITS FOR BEST ANSWER

Chemistry
1 answer:
Ivenika [448]4 years ago
3 0
A

C

D

C
 
trust me plz i am good at chemistry
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Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?
crimeas [40]
<span>Carbon dioxide is a pure compound, consisting of two kinds of atoms that are bonded together.</span>
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3 years ago
Explain the differences among nonpolar covalent bonds, polar covalent bonds, and ionic bonds.
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Nonpolar covalent bonds are a type of chemical bond where 2 atoms share electrons with each other.
Polar covalent bonds are the same as nonpolar covalent bonds, but a pair of electrons are unequally shared between 2 atoms. 
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3 years ago
I’m trying to figure out how to convert 6 moles KCL to particles.
I am Lyosha [343]

Answer:

How many moles KCl in 1 grams? The answer is 0.013413582325

1 mole is equal to 1 moles KCl, or 74.5513 grams.

447.3078 is the answer

Explanation:

<em>~Cornasha_Weeb</em>

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3 years ago
Which statements accurately describe electronic tools? Check all that apply.
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5 0
4 years ago
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An element crystallizes in a face-centered cubic lattice. If the length of an edge of the unit cell is 0.408 nm, and the density
V125BC [204]

Answer:

Au

Explanation:

For the density of a face-centered cubic:

Density = \dfrac{4 \times M_w}{N_A \times a^3}

where

M_w = molar mass of the compound

N_A= avogadro's constant

a^3 = the volume of a unit cell

Given that:

Density (\rho) = 19.30 g/cm³

a = 0.408 nm

a = 0.408 \times 10^{-9} \times 10^{2} \ cm

a = 4.08 \times 10^ {-8} \ cm

∴

19.3 = \dfrac{4 \times M_w}{(6.023 \tmes 10^{23})\times (4.08 \times 10^{-8})^3}

M_w= \dfrac{19.3\times (6.023 \times 10^{23})\times (4.08 \times 10^{-8})^3}{4}

M_w=197.37 \ g/mol

Thus, the molar mass of 197.37 g/mol element is Gold (Au).

4 0
3 years ago
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