If substance A has a density of 2.3 g/mL and water has a density of 1.00 g/mL will substance A float or sink in water? Explain in full sentences

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Avariable that is not being directly tested during an experiment should be

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