Determine the liters of water formed when 6.97 L hydrogen react with an excess of oxygen. Please explain this so I can have a reference for when I don other questions. 2 H2(g) + 102 (g) → 2 H20 (l)

One does not belong why? ice, gold ,wood ,diamond and table salt

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.