Achemist has two compounds that do not chemically react. he thinks that by finding the right catalyst, he can get them to react. why is the chemist incorrect? a. catalysts can only increase the rate of reaction for compounds that do react. b. only an inhibitor can cause two compounds to react. c. the activation energy of the reaction is already zero. d. a catalyst cannot increase the concentration of reactants.

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.