Write a balanced chemical equation based on the following description: the reaction of solid iron(III) sulfide with aqueous hydrochloric acid to form
aqueous iron(III) chloride and hydrogen sulfide gas.

One nanometer is equal to how many meters?

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.