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Ronch [10]
4 years ago
8

HELP ME ROCK CYCLE!!!

Chemistry
1 answer:
Salsk061 [2.6K]4 years ago
8 0
I’m petty sure it’s D
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An atom has radius of 227 pm and crystallizes in a body-centered cubic unit cell. What is the volume of the unit cell
sdas [7]

We will see that the volume of the unit cell is 144,070,699.06 pm^3

<h3>How to get the volume of a body-centered cubic unit cell?</h3>

In a body-centered cubic unit cell, the side length of the cube is given as:

S = \frac{4}{\sqrt{3} } *R

Where R is the radius of the atom.

And the volume of a cube is the side length cubed, then we can see that the volume of our cube will be:

V = S^3 = (\frac{4}{\sqrt{3} }*227pm)^3

Solving that we get:

V  = (\frac{4}{\sqrt{3} }*227pm)^3 = 144,070,699.06pm^3

This is the approximated volume of the unit cell.

If you want to learn more about unit cell structures, you can read:

brainly.com/question/13110055

5 0
2 years ago
The half reaction of an oxidation reduction reaction shows that iron gains electrons. what does this electron gain mean for iron
chubhunter [2.5K]

Answer: The correct option is C.

Explanation:

Oxidation reactions are a type of chemical reactions in which a substance looses electrons and forms positive charge. The substance undergoing this reaction is being oxidized.

A\rightarrow A^++e^-

Reduction reactions are a type of chemical reactions in which a substance gains electrons and forms negative charge. The substance undergoing this reaction is being reduced.

A^++e^-\rightarrow A

For the half reaction in which iron gains electrons means that iron is getting reduced.

Hence, the correct option is C.

6 0
3 years ago
Read 2 more answers
Particles of a liquid
Tcecarenko [31]

Answer:

A

Explanation:

B. That's a solid

C. Liquid is the only thing that can have viscosity

D. Not necessarily the case

4 0
3 years ago
What is the density of a liquid that has a volume of 20.0 ml and a mass of 330 grams?
Dmitry_Shevchenko [17]
Density=mass/volume
density=330/20
density=16.5g/ml
7 0
3 years ago
What is the formula for the salt when H2CO3 is neutralized with Mg (OH)2?
Tems11 [23]
The salt which remains is MgCO3
3 0
3 years ago
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