What is the percent composition of H in (NH4),S?
Round to 1 decimal place.

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 of the following are correct values for the ideal gas laws constant r

What is the mass of phosphorous in a 51-kg person