Imagine that a student reported an Rf of 1.20 in a TLC analysis. Why must this Rf value be a result of experimental error? What type of experimental error(s) might lead to such a value being observed?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.