During a solvent extraction, a student lost track of which layer was the aqueous layer and which was the organic layer. what simple, non‑destructive test could be used to determine which layer is which? obtain a sample of the solution in the separatory funnel and utilize infrared spectroscopy (ir). add a little of distilled water to see which layer the water adds to. ask the instructor if a supercritical extraction on the sample can be performed. obtain a sample of the solution in the separatory funnel and utilize nuclear magnetic resonance spectroscopy (nmr).

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.

What changes occurred over time that was directly related to this event? alice paul

This is a crossword assignment for psychology 8 letter word a benefit of observational research is that it often generates