Ozone forms from oxygen in the upper atmosphere when it's bombarded by radiation. Which balanced equation illustrates this reaction? a.) O2 = O3
b.) 2O2 =O3
c.) 2O2 = 2O3
d.) 3O2 = 2O3

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

When a septic tank backs up a goes in to clean it out

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?