Can you guy pleas answer this questions

4. would you expect a substance to be a solid, liquid, or gas at absolute

zero? explain your answer.

5. describe what happens, at the molecular level, during melting.

6. describe what happens, at the molecular level, when a substance boils.

7. what is the most common phase of matter in the universe?

8. what is plasma? where can you find plasma?

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

Determine the reaction and balance the following equations urgent due in the morning

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.