In addition to the six elements most prevalent in living things there are other elements that are required for human life. which element is necessary for humans to maintain a strong skeletal system?
a. xenon
b. calcium
c. rhodium
d. chlorine

When the pressure that a gas exerts

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

The ammonia molecule in the diagram has the observed bond orientation because