What forms of potential energy were displayed in the illustrations

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.

Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants