Rank the four gases (air, exhaled air, gas produced from the decomposition of h2o2, gas from decomposition of nahco3) in order of decreasing concentration of co2).

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which sample at stp has the same number of atoms as 18 liters of ne at stp

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.