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nlexa [21]
3 years ago
5

Which type of energy is associated with the random motions or atoms and molecules in a sample of air

Chemistry
1 answer:
Gre4nikov [31]3 years ago
6 0

Answer:

-Thermal Energy- I believe

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What is the empirical formula of a compound that is 18.8% Li, 16.3% C , and 64.9% O
zlopas [31]

Greetings!

To find the empirical formula you need the relative atomic mass of each element!

Li = 6.9

C = 12

O = 16

You can simply change the percentages into full grams

Li = 18.8g

C = 16.3g

O = 64.9


Then you use this to find the Number of moles = amount in grams / atomic mass

Li = 18.8 ÷ 6.9 = 2.7246

C = 16.3 ÷ 12 = 1.3583

O = 64.9 ÷ 16 = 4.0562

Then divide each number of moles by the smallest value:

Li = 2.7246 ÷ 1.3583 = 2.0

C = 1.3583 ÷ 1.3583 = 1

O = 4.0562 ÷ 1.3583 = 2.9 ≈ 3


So that means that there are 2 Li, 1 C, and 3 O

Empirical formula would be:

Li₂CO₃


Hope this helps!

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3 years ago
Is this a scientific model? Use complete sentences to explain why or why not. (5 points)
irakobra [83]

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yes because the model showing you that it is the map

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What is the chemical formula for decomposition?
shutvik [7]

Answer: AB A + B

Explanation:

6 0
3 years ago
What is the factor of 1024
Ugo [173]
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Which of the following would the kinetic theory address?
AURORKA [14]
I think it’s B vibrations in molecules
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