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3 years ago

What is the most likely reason that nonmetals are electrical insulators

Chemistry

2 answers:

Luba_88 [7]3 years ago

8 0

Answer:

Non metals are poor conductors of electricity as they have no free electrons in the outer most shell.

The poor conductors of the electricity is best to be used as insulators. These insulators can be used to protect the person from electrical shocks.

The valence shells in case of non metals are almost full, the atoms attracts the electrons and hold them tight and there is no electron left free to conduct electricity.

Hence, non metals are used as insulators.

serg [7]3 years ago

7 0

Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.

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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

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