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inna [77]
3 years ago
11

Question 11 of 25

Chemistry
2 answers:
masha68 [24]3 years ago
7 0

Answer:

a.The waves are absorbed or reflected to capture images

Explanation:

How Things Work: TSA scanners use electromagnetic waves for detection. ... These waves are bounced off the body of the person being scanned to create a three-dimensional image on the computer. The backscatter units instead bounce low-level electromagnetic X-rays off the body to create an image on the computer

Olenka [21]3 years ago
6 0

Answer:

A. The waves are absorbed or reflected to capture images or

information

Explanation:

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The partial pressure of hellium gas in a gaseous mixture of hellium and hydrogen is<br>​
RUDIKE [14]

Answer:

The partial pressure of helium gas in a gaseous mixture of helium and hydrogen is the pressure that the helium would exert in the absence of the hydrogen. equal to the total pressure divided by helium's molar mass. O equal to the total pressure divided by the number of helium atoms present.

Hope this Helps (✿◡‿◡)

8 0
3 years ago
What is depletion??<br><br>good morning have A crazy day ​
Sever21 [200]

Answer:

Depletion is the movement of the cost of natural resources from a company's balance sheet to its income statements. The objective is to match on the income statement the cost of the natural resources that were sold with the revenues of the natural resources that were sold. 

Explanation:

well have crazy day too, take care...bye :)

3 0
3 years ago
Read 2 more answers
Indicate the types of forces that are involved between the solute and solvent when forming a homogeneous solution between ch3ch2
Bess [88]
Answer:
            Dispersion Forces are found between n-Pentane (CH₃-CH₂-CH₂-CH₂-CH₃) and n-Hexane (CH₃-CH₂-CH₂-CH₂-CH₂-CH₃).

Explanation:
                   Dispersion Forces are present and developed by those compounds which are non-polar in nature. In given statement n-Pentane and n-Hexane both are non-polar in nature as the electronegativity difference between Hydrogen atoms and Carbon atoms is less than 0.4. 
                   When non-polar molecules approaches each other, a Dipole is induced in one of them, this step is known as Instantaneous Dipole, This generated Dipole on approaching another non-polar molecule induces dipole in it and the process propagates. Hence, creating intermolecular interactions.
8 0
3 years ago
Read 2 more answers
How many ions of aluminum oxide (Al²O³) are there in 200 g of Al²O³??<br><br>​
valentinak56 [21]

= 6.022 × 1020

Explanation<em>;</em>

Mole of aluminium oxide (Al2O3) is

⇒ 2 x 27 + 3 x 16

Mole of aluminium oxide = 102 g

i.e., 102 g of Al2O3= 6.022 x 1023 molecules of Al2O3

Then, 0.051 g of Al2O3 contains = 6.022 x 1023 / (102 x 0.051 molecules)

= 3.011 x 1020 molecules of Al2O3

The number of aluminium ions (Al3+) present in one molecule of aluminium oxide is 2.

Therefore, the number of aluminium ions (Al3+) present in 3.11 × 1020 molecules (0.051g) of aluminium oxide (Al2O3)

= 2 × 3.011 × 1020

=<em> 6.022 × 1020</em>

<em>hope </em><em>it </em><em>helps</em><em>_</em>

6 0
2 years ago
True or false? 11H+31H⟶42Be
hoa [83]

Answer:

✅

Explanation:

true

sana makatulong po sa inyo

6 0
2 years ago
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