Which of these is common to all chemical changes? a) a change of state occurs. eliminate b) a change of color occurs. c) a new substance is produced. d) heat is released into the air.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

2. how is heavy water different from normal water

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