A volume of 100 mL of a 0.420 M HNO3 solution is titrated with 0.830 M KOH. Calculate the volume of KOH required to reach the equivalence point.

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2