HC2H302 (aq) + H20 (1) ► H30 (aq) + C2H302 (g) K = 1.8 E-5
If a solution intially contains 0.210 M HC2H302, what is the equilibrium concentration of H30?

1.96 E-3 M
2.46 E-3M
2.96 E-3M
3.46 E-3 M

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

When the mercury level in a barometer decreases that atmospheric pressure has