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julia-pushkina [17]
3 years ago
15

Why does a diamond change directly from a solid state to a gaseous state?

Chemistry
2 answers:
TiliK225 [7]3 years ago
8 0
A diamond is formed from hydrogen bonds.

Dmitry_Shevchenko [17]3 years ago
4 0
I am not 100% sure, but it might be tremendous heat applied...

Plz thank!
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For which purpose do biochemists insert human genes into bacteria?
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What is reduction potential?​
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Why do covalent compounds tend to have lower melting points than ionic compounds?
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URGENT !! A substance has 55.80% carbon, 7.04% Hydrogen, and 37.16% Oxygen. What is it's empirical and molecular formula if it h
Ede4ka [16]
<h3><u>Answer;</u></h3>

Empirical formula = C₂H₃O

Molecular formula = C₁₄H₂₁O₇

<h3><u>Explanation</u>;</h3>

Empirical formula

Moles of;

Carbon = 55.8 /12 = 4.65 moles

Hydrogen = 7.04/ 1 = 7.04 moles

Oxygen  = 37.16/ 16 = 2.3225 moles

We then get the mole ratio;

4.65/2.3225 = 2.0

7.04/2.3225 = 3.0

2.3225/2.3225 = 1.0

Therefore;

The empirical formula = <u>C₂H₃O</u>

Molecular formula;

(C2H3O)n = 301.35 g

(12 ×2 + 3× 1 + 16×1)n = 301.35

43n = 301.35

  n = 7

Therefore;

Molecular formula = (C2H3O)7

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