Which of the following is a physical change? a) sawing a piece of wood in half. b) burning a piece of wood. c) rust forming on an iron fence. d) a copper roof changing color from red to green.

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

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Compare and contrast solutions and suspensions