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Usimov [2.4K]
3 years ago
12

Which is larger? C atom or F atom? Explain why.

Chemistry
1 answer:
tekilochka [14]3 years ago
3 0

Answer:

Carbon or Fleuronie?

Explanation:

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A gaseous compound containing carbon and hydrogen was analyzed and found to consist of 83.65% carbon by mass. The molar mass of
steposvetlana [31]

Answer:

The molecular formula is C6H14

Explanation:

Step 1: Data given

Suppose the mass of compound = 100 grams

A compound contains:

Carbon = 83.65 % = 83.65 grams

Hydrogen = 16.35 % = 16.35 grams

Atomic mass of carbon = 12.01 g/mol

Atomic mass of hydrogen = 1.01 g/mol

Molar mass of compound = 86.2 g/mol

Step 2: Calculate moles

Moles = mass / molar mass

Moles carbon = 83.65 grams / 12.01 g/mol

Moles carbon = 6.965 moles

Moles hydrogen = 16.35 grams / 1.01 g/mol

Moles hydrogen = 16.19 moles

Step 3: Calculate mol ratio

We divide by the smallest amount of moles

C: 6.965 moles / 6.965 moles = 1

H = 16.19 moles / 6.965 moles = 2.33

This means for 1 mol C we have 2.33 moles H  OR for 3 moles C we have 7 moles H

The empirical formula is C3H7

The molecular mass of this formula is 43.1 g/mol

Step 4: Calculate molecular formula

We have to multiply the empirical formula by n

n = 86.2 g/mol / 43.1 g/mol

n = 2

Molecular formula = 2*(C3H7) = C6H14

The molecular formula is C6H14

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3 years ago
Use the image to answer the question.
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Answer:

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Explanation:

A1+3 is the most common ion of aluminum.
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In which state does the precipitate exist in a precipitation reaction?
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Answer:

C

Explanation:

Precipitate means something is forming. Usually referring to insoluble salts.

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An essay that is 530 words over an experiment. <br> EX.<br> Coke vs Mento <br> Invisible Ink
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<h2><u><em>Coke Zero Case Study Coca Cola is world renowned soft drink. Unfortunately when it comes to taking health into consideration this is one of the last things one should be ingesting into their system.</em></u></h2>

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Name the gas which is formed when coal is heated in the absense of air​
Andrew [12]

Answer:

Coke

Explanation:

A solid fuel formed by heating coal in the absence of air is coke. Coke is black colored, tough porous substance. It is pure carbon.

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