8 Which of the following is a nonmetal?
OA. aluminum (AI)
OB. potassium (K)
OC. chlorine (CI)
OD. calcium (Ca)

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?