Chromatography portfolio

5. what evidence is there that marker ink is a mixture?
6. each compound in the marker ink is represented by a color. did one compound travel farther than others? explain why you think that this is the case.
7. did the compounds travel farther in water or isopropyl alcohol (rubbing alcohol)? explain why you think that this is the case.
8. how could you improve upon the accuracy of your r[f] measurements?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces