Which TWO substances are reactants in the chemical reactions of cellular respiration A. Carbon dioxide
B. Water
C. Oxygen
D. Sugar

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?

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

How many moles of oxygen react with 12 moles of aluminum