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Ira Lisetskai [31]
3 years ago
6

why cam you calculate the total pressure of a mixture of gases by adding together the partial pressures of the component gases?​

Chemistry
1 answer:
goldenfox [79]3 years ago
5 0

By applying Dalton's law of pressure equations we can calculate the total pressure of a mixture of gases by adding together the partial pressures of the component gases

Explanation:

Dalton's law of partial pressure is the concept used in calculating either partial pressure or total pressure in a given mixture of gases.

The law says that each gas has its own pressure which it puts on the mixture of gases. This pressure is called partial pressure. Also, the sum total of all the gases exerting pressure on the mixture is termed total pressure.

The quantity of individual gas can be known and hence it will get easy to calculate its  partial pressure.

The relation used is:

Partial pressure = mole fraction of the one gas from mixture x total pressure in the mixture.

It also says that total pressure is equal to:

total pressure = p1 +p2+p3....pn

here p1, p2 is partial pressure of one of gases in mixture.

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Answer:

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Explanation:

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Second the triplet at 1.0 that integrates to 3 likely correlates to a CH3 (methyl) group.  Peaks are very upfield triplets that integrate to three are almost always methyl peaks.

Third the triplet at 3.7 is indicative of being next to the halogen.  Hydrocarbons by themselves do not have peaks that far downfield meaning that its shift could only be explained by the chlorine being involved.  Also we know that this can't be next to the methyl group since its multiplicity is to low to be next to it.  

That leaves the multiplet at 1.75 being the hydrogens on the middle carbon which also makes sense since it is more downfield then the methyl group (due to being closer to the chlorine) but is not far enough downfield to say the chlorine is there.  It also makes sense that it is a multiple since it would be a hextet due to the adjacent 5 hydrogens which can't always be resolved.

I hope this helps and let me know if anything is unclear or needs further explanation.

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Oxygen. Is the correct answer


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