Tropospheric ozone is produced when air pollutants from automobiles and factories chemically react with sunlight. The ozone that is produced in the Earth's troposphere traps heat close to the surface of the Earth. Global industrialization is causing an increase in tropospheric ozone that will most likely lead to

1.    The equilibrium expression shows the ratio between products and reactants. This expression is equal to the concentration of the products raised to its coefficient divided by the concentration of the reactants raised to its coefficient. The correct equilibrium expression for the given reaction is:

H2CO3(aq) + H2O(l) = H3O+(aq) + HCO3-1(aq)

Kc = [HCO3-1] [H3O+] / [H2O] [H2CO3]