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natta225 [31]
3 years ago
6

Light travels three-fourths as fast through water as it does through a vacuum.

Chemistry
2 answers:
Talja [164]3 years ago
4 0
1.33 is the answer thank me later
Marysya12 [62]3 years ago
4 0
The answer is 1.33hope it helps
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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
If a beaker of water and a beaker of acetic acid are at the same elevated temperature, which will cool more quickly to room temp
4vir4ik [10]
The beaker of acetic acid will cool more quickly.

The specific heat capacity of acetic acid is about half that of water.
Thus, it takes twice as much heat gain (or loss) in acetic acid to cause a given change in temperature.
If everything else is constant and heat is being lost at the same rate, the temperature of the acetic acid should drop twice as fast as that of water.
4 0
3 years ago
What happens to water during evaporation?
kotegsom [21]
D would be your best bet because evaporation occurs when water is heated, it then vibrates and then magic!
5 0
3 years ago
Read 2 more answers
Explain the terms physical properties of metals Malleability and ductility, and how they used in daily life situation ?​
EastWind [94]

Answer:

Malleability means that metals can be hammered into sheets and foils. For example, aluminium foils are used for wrapping food stuffs, silver foils are used for decorative purposes on sweets and fruits. Ductility means that metals can be drawn into wires. Gold and silver wires are used in ornaments.

and For jewellery and ornaments, gold, platinum and silver are being used. For building purposes, iron and steel can be used. Iron and aluminium are used as utensils. The thermometer uses mercury and helps to monitor the temperature.

Explanation:

please rate as brainliest

7 0
1 year ago
Read 2 more answers
PLEASE HELP
lozanna [386]

Answer:

The Answer is A

Explanation:

particles in gas much like any other particles vibrate. but gas is moving constantly so the answer would be A

5 0
2 years ago
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