Which of the following experiments could you perform to investigate the effect temperature has on the volume of a gas?
A) Measure the volume of a balloon filled with room temperature air. Place the balloon in a freezer for an hour and then measure its volume again.
B) Measure the pressure of the air in a tire on a cold day, a warm day, and a hot day.
C) Inflate one balloon to a large volume and another balloon to a small volume. Measure the temperature of the air released from both balloons.

D) Stretch a balloon over the top of a beaker filled with baking soda and vinegar and observe how the balloon changes volume.

Summarize possible ways in which phases of matter could combine to form a solution.

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

In salt water solution,the salt is the blank