Calculate the hydroxyl ion concentration
in 0.02m solution of h2so4

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

How many moles of oxygen gas are produced from the decomposition of six moles of potassium