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grin007 [14]
3 years ago
12

How many more grams should be added​

Chemistry
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

50?

I think but not 100% sure if not lmk

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How many valence electrons are there in an argon atom?
devlian [24]

Answer:

There are 8 valence electrons in an argon atom.

3 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
30 points
allochka39001 [22]

Answer:

1 mole of water (H2O)

Explanation:

Water has a chemical formula of H2O, there will be 2 moles of hydrogen in every mole of water.

In one mole of water, there will exist approximately 6.02×10^23 water molecules.

So, there will be a total of 6.02×10^23×2≈1.2⋅10^24 hydrogen atoms.

7 0
4 years ago
Read 2 more answers
How do nuclear fusion and combustion relate?
RUDIKE [14]

Answer:The key to remember is that carbon combustion requires oxygen. As soon as there is no oxygen left, carbon combustion stops. In nuclear fusion, the nuclei of atoms are fused together to make new, bigger nuclei.

Explanation:

6 0
3 years ago
How many meters are equivalent to 12 US gallons?
Nesterboy [21]
0.0454249 Liquid meters. 
7 0
4 years ago
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