A scientist has a 98,3 g sample of silicon, How many silicon atoms are in the sample? A.1.72 x 1023 atoms
B. 2.11 1024 atoms
c. 1.69 x 1025 atoms
D.6.92 x 1025 atoms

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

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

How have the greenhouse gasses increased from the year 2000 to 2018