the percent yield of p4O10 when 6.2 g of phosphorus burns in excess oxygen is 67.0. what is the actual yield of P4O

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.

Which element is least likely to undergo a chemical reaction

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?