Carbon-14 has a half-life of 5,730 years. if scientists discover a mummified cro-magnon specimen, they will first want to determine its age. when examining a sample from the bone remains, the scientists discover the specimen is composed of 25% carbon-14 and 75% nitrogen-14. how old is this specimen?

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

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