A solution is prepared by dissolving 42.23 g of NH4Cl into enough water to make 50.0 mL of solution. Calculate its molarity 8.231 M
0.223 M
0.08 M
4.12 M

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

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.