Pls answer

every few years, sailboats of different countries compete in a race for a trophy called the america's cup. the boats sail over the same distance. what, besides the distance, is needed to find out the speed of each boat in the race?
group of answer choices

the speed of the wind during the race

the skill of the crew of each boat in the race

the size of each boat in the race

the time it takes each boat to finish the race

How many moles of gas are present if p=11 atm, v=12l, t=185k?

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 is the formula of the ionic compound composed of calcium cations and chloride anions