Go back to the simulation and increase the number of molecules of heavy species to 700. What change do you observe? link http://contentstore. ple. platoweb. com/content/sharedmedia/phet_sims_b atch2/gas-properties/gas-properties _en. html

What relationship exists between an enzyme and a catalyst?

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?

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