Sulfur dioxide and nitrogen dioxide are considered to be air pollutants.
a. Where would you most likely find these pollutants?
b. Which of these pollutants is more toxic?
c. Express 0.045 ppm nitrogen dioxide in ppb

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.