In the reaction hbr + al albr3 + h2, which two substances would have a coefficient of 2 if the reaction were balanced?

check all that apply.

a. h2
b. al
c. hbr
d. albr3

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

Easy definition for atom and atomic mass

List four observations that indicate that a chemical reaction may be taking place