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enyata [817]
2 years ago
6

How many molecules of ammonia are contained in 10.4 moles of ammonia, NH3?

Chemistry
1 answer:
seraphim [82]2 years ago
4 0
Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. We do as follows:

10 mol NH3 ( 6.022 x 10^23 molecules / 1 mol ) = 6.022x10^24 molecules NH3
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Answer:

Neon

Explanation:

Neon is a noble gas. Noble gases do not react with other elements. Carbon, Boron, and Oxygen would all react with each other.

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4 0
3 years ago
Which compound has the highest melting point?
Sidana [21]
It has to be A i hope this helped

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2 years ago
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What happens during an alpha decay?
Andrej [43]

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6 0
3 years ago
In lab, you calculate the density of an iron rod to be 7.30 g/cm3. The accepted value
OLga [1]

Answer:

<h2>6.41 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual density = 7.80 g/cm³

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We have

p(\%) =  \frac{0.5}{7.8}  \times 100 \\  = 6.410256...

We have the final answer as

<h3>6.41 %</h3>

Hope this helps you

6 0
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