Which radioactive element is used to determine the absolute age of late pleistocene animal remains?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work