How do catalysts increase the rate of a chemical reaction? a] they lower the activation energy. b] they lower the collision energy. c] they increase the collision energy. d] they increase the temperature. e] they increase the concentration of reactants.

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

How is the atomic number of a nucleus changed by alpha decay

Which statement best describes the function of enzymes?