Draw curves (on the same plot) of polymer composition (f) versus mond mer composition (f) for the following systems: (a) butadiene (1), styrene (2), 60°c. r,1.39, r- 0.78 (b) vinyl acetate (1), styrene (2), 60°c, r, 0.01, r- 55 (c) maleic anhydride () isopropenyl acetate (2). 60°c. r r0.032 assuming that one starts with an equimolar mixture of monomers in each case, which will contain more of monomer (1), the polymer formed first of the polymer formed later?

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

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

When the mercury level in a barometer decreases that atmospheric pressure has