Al2S3(s) + 6 HCl(aq) → 2 AlCl3(aq) + 3 H2S(g) 15.0 grams of aluminum sulfide and 10.0 mL of 4.0M hydrochloric acid are mixed.
a) Determine the limiting reactant.

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Which description best characterization the motion of particles in a solid

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?