What is the pH if the molar concentration of H30+ is 1.0 x 10 -7power?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

Areaction in which products can react to re-form reactants is