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In what order from top to bottom would you expect to find naphthalene butyric acid and phenyl acetate on a silica gel TLC plate developed with dichloromethane?
Phenyl acetate will likely be at the top due to its higher polarity, followed by naphthalene, and then naphthalene butyric acid at the bottom due to its lower polarity. The more polar compounds will generally travel less on a TLC plate developed with a less polar solvent like dichloromethane.
Where is potassium acetate found?
As a soluble substance we wouldn't expect to find potassium acetate in nature.
In which solvent do you expect a solid that ionizes well to dissolve in?
A solid that ionizes well is more likely to dissolve in a polar solvent, such as water, where the ions can interact with the solvent molecules through electrostatic interactions. This facilitates the separation of ions in the solid and their dispersal in the solution.
Codeine is presented in tablet mixtures and it has an Rf value of 0.6 what would you expect to be the effect of the Rf value of replacing the ammonia in the solvent by acetic acid?
Replacing ammonia with acetic acid may affect the polarity of the solvent system, potentially leading to changes in the separation and resolution of compounds in the mixture. The Rf value could be different for codeine or other components due to the altered interaction between the solvent, compounds, and the stationary phase. This change could impact the accuracy of identification or quantification of codeine in the tablet mixture.
If you add a small amount of hydrochloric acid to 4 liters of water what type of solution would you expect to have?
You get a dilute solution. With 4 litres of water, you have more solvent (H2O) than solvent (HCl) than you originally had.
In what order from top to bottom would you expect to find naphthalene butyric acid and phenyl acetate on a silica gel TLC plate developed with dichloromethane?
Phenyl acetate will likely be at the top due to its higher polarity, followed by naphthalene, and then naphthalene butyric acid at the bottom due to its lower polarity. The more polar compounds will generally travel less on a TLC plate developed with a less polar solvent like dichloromethane.
Would you expect RF number of a pigment to change if we altered the composition of the solvent why or why not?
No, the solubility of the pigment molecule in its organic solvent is a factor involved in the separation of pigments. More soluble molecules move faster and generally travel further. Chlorophyll B is a great example since its only soluble in fat solutions.
Where is potassium acetate found?
As a soluble substance we wouldn't expect to find potassium acetate in nature.
Would you expect the R value of ta pigment to be the same if a different solvent were used?
No
What are the problems to expect when marrying an 18 year old girl?
in about 2-5 years she will change and expect you to. you wont change and expect her not to change, which in turns causes fights. so unless you change with her and how she likes expect to be divored as soon as they changes begin
In which solvent do you expect a solid that ionizes well to dissolve in?
A solid that ionizes well is more likely to dissolve in a polar solvent, such as water, where the ions can interact with the solvent molecules through electrostatic interactions. This facilitates the separation of ions in the solid and their dispersal in the solution.
How would you expect the intrinsic volume for a polymer in a particular solvent to vary with temperature?
generally, a polymer gets dissolved in a solvent (which implies lower density and higher volume). the higher the temperature, the quicker the process, so to answer: the intrinsic volume for a polymer in a particular solvent increases with the temperature.
If there is an ecxess supply of a good you can expect?
With no subsequent change in demand, you can expect prices to drop.
Is it reasonable to expect that these models will change soon?
no
Would you expect the Rf value of a pigment to be the same if a different solvent were used Explain?
The Rf value would not be the same for every solvent as there are factors that allow each solvent to be unique. The attractive force, particle size and solubility of each solvent will create different results each time.
What can I expect in post gastric bypass surgery?
After having gastric bypass surgery what you can expect is to have your diet change completely. Your appitite will drastically change and you will get smaller healthier meals.
Codeine is presented in tablet mixtures and it has an Rf value of 0.6 what would you expect to be the effect of the Rf value of replacing the ammonia in the solvent by acetic acid?
Replacing ammonia with acetic acid may affect the polarity of the solvent system, potentially leading to changes in the separation and resolution of compounds in the mixture. The Rf value could be different for codeine or other components due to the altered interaction between the solvent, compounds, and the stationary phase. This change could impact the accuracy of identification or quantification of codeine in the tablet mixture.
