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velikii [3]
3 years ago
6

Where is a continental shelf usually found this is science

Chemistry
2 answers:
lorasvet [3.4K]3 years ago
8 0
It should be B I’ve done this one before
vampirchik [111]3 years ago
4 0

Answer:

The correct answer is C

Explanation: I did it on my test

Good luck!

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Hydrogen bonds form between adjacent water molecules because the
lesantik [10]

Hello,

I'd like to introduce you to the magnet analogy:

-Opposite sides attract

-Same sides repel

The first part applies to chemistry, so positive hydrogen bonds tend to attract to negative adjacent molecules.

4 0
3 years ago
4. Consider the following statement made in Chapter 4 of the text: "... consider that if the
AveGali [126]

The claim: "If the nucleus were the size of a grape, the electrons would be one mile away on average" is reasonably accurate because the ratios between the nucleus's sizes and the distances (between electrons and nucleus) for the two given examples are in the same order of magnitude.      

To know if the claim is accurate we need to calculate the ratio of the size of the nucleus (the same as a grape) and the distance between the electrons and the nucleus for example 1 (r₁):  

r_{1} = \frac{s_{1}}{d_{1}}    (1)

and to compare it with the ratio of the size and the distance given in example 2 (r₂):

r_{2} = \frac{s_{2}}{d_{2}}    (2)

<em>Where:</em>

s₁: is the size of the nucleus (like the size of a grape)

d₁: is the distance between electrons and nucleus of example 1 = 1 mile

s₂: is the average diameter of the nucleus  = 10⁻¹³ cm

d₂: is the average distance between electrons and nucleus of example 2 = 10⁻⁸ cm

Assuming that the diameter of a grape is 3 cm (in a spherical way), the ratio of the <u>first example</u> is (eq 1):

r_{1} = \frac{3 cm}{1 mi*\frac{160934 cm}{1 mi}} = 1.86 \cdot 10^{-5}

Now, the ratio of the <u>second example</u> is (eq 2):

r_{2} = \frac{10^{-13} cm}{10^{-8} cm} = 1.00 \cdot 10^{-5}              

Since r₁ and r₂ are in the same order of magnitude (10⁻⁵), we can conclude that the given claim is reasonably accurate.      

You can learn more about the nucleus of an atom here: brainly.com/question/10658589?referrer=searchResults

I hope it helps you!                

3 0
3 years ago
What amount of water is formed when 20 ml of 0.80 m hcl and 30 ml of 0.40 m naoh are mixed?
Yuri [45]

Answer: The amount of water formed is 12 moles

Explanation: Please see the attachments below

7 0
4 years ago
Pls help ASAPPPP!!<br> BRAINLIEST
VLD [36.1K]

Answer:

a

Explanation:

first one i did the test trust me

7 0
3 years ago
Someone please help meeeee, i’ll help u if u help meeeeeeeeee :)
bogdanovich [222]
All u do is divide the mass by the volume so 85.4/7 which is 12.2
4 0
3 years ago
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