Read the chemical equation shown.

2Ag + H2S → Ag2S + H2

Which statement is true about this chemical equation?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?