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Gre4nikov [31]
3 years ago
9

Jsnnsksnabakavw smakanans

Chemistry
2 answers:
Leno4ka [110]3 years ago
8 0

Answer:

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Explanation:

Tresset [83]3 years ago
4 0
Jioutrdxvlokhvvcfyhbvd?
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B. 2

Explanation:

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Which of the following does each different kind of atom represent?
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Answer:

Element

Explanation:

Each different kind of atom represents an atom. Elements like atoms are considered to be distinct substances that cannot be split into simpler substances. Such substances are known to be made up of just one kind of atom.

Like an atom, elements are made up of protons, neutrons and electrons. Both the protons and neutrons are found in the nucleus of the atom.

3 0
3 years ago
How many moles make up 5.7491x1025 molecules of Dinitrogen pentoxide (N2O5)?
pav-90 [236]

Answer:

<h2>95.5 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{5.7491 \times  {10}^{25} }{6.02 \times  {10}^{23} }  \\

We have the final answer as

<h3>95.5 moles to 3 sig. figures</h3>

Hope this helps you

6 0
3 years ago
Sayid listed some characteristics of waves in a chart.
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The answer is d. hope it helps
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