Which of the following is most likely to be amorphous?

-glass
-solid sulfur
-solid calcium
-gold

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation