What is the h3o+ concentration of a solution with a ph pf 3

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next