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Results tagged with physical-chemistry
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user 103264
The study of chemical systems using the laws and concepts of physics. This usually requires the techniques of thermodynamics, statistical mechanics and quantum mechanics.
7
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Why is 1 ppm considered equal to 1 mg/dm3?
I usually work with percentages, so am not familiar with parts per million (ppm) fraction (ratio) method.
My teacher taught me that $1~\pu{ppm} = 1 ~\pu{mg/dm^3}$ without proof, so I looked in the int …
- 517
2
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3
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How does one prove Avogadro's law from Gay-Lussac's?
To understand Gay-Lussac's law, Amedeo Avogadro said
In equal volumes of air under constant temperature and pressure, there are equal number of atoms (or molecules).
Let's take a hydrogen and an oxy …
- 517
0
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Do complexes of a metal distribute in between the water and an organic compound layer?
My original question is one that is stated in the title, and I also have some side questions too.
I came across this question where you have a CuSO4 aqueous solution. Then you take an Ammonia aqueous …
- 517
2
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2
answers
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How does steam distillation work to extract a substance from a mixture, below its boiling po...
This is a small confusion I have regarding steam distillation. Let us consider a sample of water mixed with an organic compound that is insoluble in water. Let us also consider that the boiling point …
- 517
14
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Why is octane more volatile than water while having a higher boiling point?
Octane has a boiling point of 120 °C. Water has a boiling point of 100 °C. The definition of boiling point is, "the temperature which the liquid substance's saturated vapor pressure equals the atmosph …
- 517