Suppose that instead of mixing water at different temperatures, you instead had two beakers of different liquids at the same temperature. in beaker a, you have 70 ml of a blue liquid that has a mass of 45 grams. in beaker b you have 65 ml of a yellow liquid that has a mass of 80 grams. assuming no chemical reaction occurs and the liquids are capable of safely and thoroughly mixing together with one another, what would you expect to happen based on what you learned in this lab? what will the beaker look like when you pour them together? explain your reasoning and show your work.

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

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

What produces wave a)sound b) heats c)transfer of energy d)vibrations