Why does the caffeine transfer from the aqueous phase into the organic phase?
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How does methanol-water temperature plot differ from the gly…
How does methanol-water temperature plot differ from the glycerol-water temperature vs volume plot that you observed during your experiment?
what is the organic solvent used in your extraction of caffe…
what is the organic solvent used in your extraction of caffeine ?
You have the choice between two organic solvents, one low bo…
You have the choice between two organic solvents, one low boiling point and one with a high boiling point. Which one will be your choice?
In the labster experiment you have performed, what is the na…
In the labster experiment you have performed, what is the name of the chemical that moves from the aqueous layer into the organic layer?
When a solid reaches the temperatures of its ___, it can bec…
When a solid reaches the temperatures of its ___, it can become a liquid.
Why did you scratch the sides of the flask with a glass rod?
Why did you scratch the sides of the flask with a glass rod?
Two compounds are being distilled. What is the boiling point…
Two compounds are being distilled. What is the boiling point of the compound collected first?
Based on the volume-temperature curve shown below, was the s…
Based on the volume-temperature curve shown below, was the separation of mixtures successful?
If you start with a 50 mole percent solution of cyclohexane…
If you start with a 50 mole percent solution of cyclohexane in toluene, you can see from the boiling point composition curve that the liquid will boil at around 91 oC. What would be the composition of the vapor will be approximately .