I was riding my bike the other day under some very big power lines on a trail and when ever i touched the brake handles it would shock me and when I was farther away from the power lines it wouldn't hurt as much.

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