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Ghella [55]
3 years ago
15

Why do amorphous solids not have a long-range order in the arrangement of their particles?

Chemistry
2 answers:
shepuryov [24]3 years ago
7 0
An amorphous solid<span> is any noncrystalline </span>solid<span> in which the atoms and molecules are not organized in a definite lattice pattern. So amorphous solids do not </span>have a long-range order in the arrangement of their particles because their <span> formation involves very rapid cooling. Therefore, the answer would be the first option. Hope this helps.</span>
Triss [41]3 years ago
6 0

Answer:

I think A is right

Explanation:

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Answer:

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Explanation:

Reduction is the gain in electron. A chemical specie that undergoes reduction is called the oxidizing agent.

Oxidation is simply the loss in electrons. A chemical specie that undergoes oxidation is called the reducing agent.

Let us look at the species.

The first specie is the NO2-. In this specie, the oxidation number of nitrogen changed from +3 to +5 in NO3-. Thus we can see that there is more loss of electron to have caused an increase in the oxidation number positively. This shows an oxidation. Hence, NO2- is the reducing agent.

Let us look at the chromium. We can see that the oxidation number of chromium changed from +7 to +3.

Now we can see that it is a decrease and hence, it is a gain of electron and thus it is reduction. This means the first chromium specie is the oxidizing agent.

The hydrogen ion is simply placed there to balance the ions and hence it is neither the oxidizing nor the reducing agent.

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3 years ago
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