Identifying precipitation combustion and acid base reactions

__can be defined as which velocity changes

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

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