For complete combustion of an organic compound needs 8 molecules of oxygen, what could the formula of this compound be?

Chemistry

1 answer:

Llana [10]3 years ago

5 0

Answer:

C5H12.

Explanation:

The compound will be C5H12.

Now consider the general formula for the combustion of an alkane;

CnH2n+2 + 3n+1/2O2-----> nCO2 + (n+1) H2O

If we substitute n=5, we have;

C5H12 + 8O2-----> 5CO2 + 6H2O

Hence the answer above.

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Where are intramolecular forces found?

pishuonlain [190]

Answer:

Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules. Therefore, you find them between atoms and molecules.

Explanation:

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What is the name of the molecular compound SF 5? sulfur pentafluoride sulfur hexafluoride sulfur heptafluoride monosulfur tetraf

romanna [79]

Answer: sulfur pentafluoride

Explanation:

The rules for naming of binary molecular compound :

In the given formula, the lower group number element is written first in the name and keep its element name and the higher group number is written second.

First element i.e. sulphur in the formula is named first and keep its element name.

1) Gets a prefix if there is a subscript on it such as mono for 1, di for 2, tri for 3 and so on.

Second element i.e. fluorine is named second.

1) Use the root of the element name, if it is an anion then use suffix (-ide).

2) Always use a prefix on the second element such as mono for 1, di for 2, tri for 3 and so on.

Therefore, the chemical name of compound $SF_5$ is sulfur pentafluoride