2 Na (s) + 2 H2O (1) - 2 NaOH (aq) + H2 (g) If 9.35 x 1026 atoms of sodium are dropped into water, how many liters of
hydrogen gas would be produced at STP?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

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

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold