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

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.