Chromatogram number 1 Solvent front = 5.6cm
Sample X distance moved = 3.5cm
Sample Y distance moved = 2.9cm
Sample Z distance moved = 4.8cm
Rf value =
Rf value =
Rf value =
Chromatogram 2
Solvent front = 6.8cm
Sample P distance moved = 2.5cm
Sample Q distance moved = 5.8cm
Sample R distance moved = 1.8cm
Rf value =
Rf value =
Rf value =
Which two samples are the same?
&

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?