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GalinKa [24]
2 years ago
14

I will give brainliest to whoever is first ❗️❕❗️❕❗️❕❗️

Chemistry
2 answers:
Vladimir79 [104]2 years ago
6 0
<h2>C.</h2><h2 /><h3>Light that bounces off a smooth surface bounces down and back up.</h3><h3 />

But, an irregular surface, for every bump, the light bounces down up down up down up.

<h3>In conclusion, C is the best answer.</h3><h3></h3>

I hope this helped! +*♡

salantis [7]2 years ago
5 0
3rd Answer. Rays reflect in random directions
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Should someone who lives on the sixth floor of an apartment building be concerned about radon in his or her apartment? Why or wh
torisob [31]

Answer:

The person should not be concerned about radon.

Explanation:

<em>A person living on the sixth floor of an aparment probably should not be concerned about radon</em>. In the conditions of the Earth's atmosphere (temperature and pressure), radon exists as a gas. This gas has a density that is approximately 8 times higher than the density of air (9.73 g/L compared to 1.22 g/L). <em>This means that radon gas would not rise, and instead remain close to the ground</em>, meaning that an apartment on a sixth floor is too far away from the ground for radon gas to reach there.

A gas being denser than air is also the reason why if you blow into a balloon, it will fall to the ground, because CO₂ is denser than air.

3 0
3 years ago
What gas is used in freezers and fridges? ​
natta225 [31]

Answer:

Chloro-Flouro-Carbon

Explanation:

Chloro-Flouro-Carbon (CFC Gas) is used as a refrigerant in fridges and freezers.

7 0
3 years ago
(I00p)A chemical equation example of a replacement of 1 ion for another in a compound! I need an example
snow_tiger [21]
A single replacement reaction could look like this:

2FeCl3 + 3Ba ➡️ 3BaCl2 + 2Fe

In this reaction, the barium is replacing the iron bound to the chlorine.
8 0
3 years ago
A gas occupies 800ml at a temperature of 27C. What is the volume at 132C?
pishuonlain [190]

V
1
​
/T
1
​
=V
2
​
/T
2
​

(900.0 mL) / (300.0 K) = (x) / (405.0 K); x = 1215 mL.

Change the 900 to 800, and the 300 to 27, then change the 405 to 132. And solve
3 0
3 years ago
In which of the following cases would sound reach each ear out of phase? 
Galina-37 [17]
I hope this is the answer that you are looking for .

6 0
3 years ago
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