Calculate the final molarity of H2O2 if 5.5 mL of a 3.0% w/w H2O2 solution, which has a density of 1.0 g/mL, is added to 5.5 mL of a starch-iodide solution.

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?