#every three times i clean my bedroomy my mother makes me an apple pie,
cleaned my bedroom 9 times, how many apple pies does she owe me?
(what? your mother doesn't reward you for cleaning your bedroom? aren't
there child labor laws? to make up for that injustice, you may have this very
easy extra credit problem.)

In an effort to address concerns about global warming, a power plant in portland, oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be

In 2002, the rare earth elements mine in mountain pass, california was closed because

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as