Given the following equation: 8 Fe + S 8  8 FeS What mass of iron, Fe, is needed to react with 16.0 grams of sulfur, S 8 ?

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added