Given the following equation: 8 Fe + Sg ---> 8 FeS If 4.2 moles of sulfur react, what is the mass of FeS produced?
(Hint: Mole -> mole -> mass)
A. 3.0 x 10^3 g B.34 g c. 280 g D. 46 g

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 proportionality applies to avogadro’s law?

Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.