What do scientists do? A. They make sure all facts fit scientific theories.
B. They make ethical decisions for the government.
C. They learn about the world through observation.
D. They use their knowledge to make public policy.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2