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3 years ago

50 POINTS I NEED HELP!!!!!!!!!!! ASAP

Chemistry

2 answers:

daser333 [38]3 years ago

5 0

The answer would be option C) diffraction.

I hope this helps! :)

m_a_m_a [10]3 years ago

3 0

Hello,

Your answer is: C.Diffraction

Explanation: Once an X-ray hits between atoms in crystals,
they take advantage of this behavior. They do this because
that is when diffraction is mostly used and you can see is on a
reader more clearer.

Hope this helps

-Jurgen :D

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3 years ago

This stadium can hold 100,000, or 1 x 10^5, people. The number of atoms in a grain of iron is about 1 x 10^18. Would you need 1

polet [3.4K]

<h3>Answer:</h3>

1 x 10^13 stadiums

<h3>Explanation:</h3>

From the question;

1 x 10^5 people can fill 1 stadium

We are given, 1 x 10^18 atoms of iron

We are required to determine the number of stadiums that 1 x 10^18 atoms of iron would occupy.

We are going to assume that a stadium would occupy a number of atoms equivalent to the number of people.

Therefore;

One stadium = 1 x 10^5 atoms

Then, to find the number of stadiums that will be occupied by 1 x 10^18 atoms;

No. of stadiums = Total number of atoms ÷ Atoms in a single stadium

= 1 x 10^18 atoms ÷ 1 x 10^5 atoms

= 1 x 10^13 stadiums

Therefore, 1 x 10^18 atoms of iron would occupy 1 x 10^13 stadiums

7 0

2 years ago

1500 millimeters to km

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3 years ago

Iron(III) sulfide reacts with hydrochloric acid to produce hydrogen sulfide and iron(II) chloride. Wright the formula equation f

NeX [460]

Answer:

Fe2S3 + 4HCl —> 2H2S + 2FeCl2 + S

Explanation:

From the question, we were told that:

Iron(III) sulfide reacts with hydrochloric acid to produce hydrogen sulfide and iron(II) chloride.

Please note that elemental sulphur is produced along with this reaction. The equation for the reaction is given below:

Fe2S3 + HCl —> H2S + FeCl2 + S

Now, we can balance the equation as shown below:

There are 3 atoms of S on the left side of the equation and 2 atoms on the right. It can be balance by putting 2 in front of H2S as shown below:

Fe2S3 + HCl —> 2H2S + FeCl2 + S

Now, we have 4 atoms of H on the right side and 1atom on the left side. It can be balance by putting 4 in front of HCl as shown below:

Fe2S3 + 4HCl —> 2H2S + FeCl2 + S

Also, there are 4 atoms of Cl on the left side and 2 atoms on the right side. It can be balance by putting 2 in front of FeCl2 as shown below:

Fe2S3 + 4HCl —> 2H2S + 2FeCl2 + S

Now, we can see that the equation is balanced

5 0

3 years ago