The equation below shows the decomposition of lead(II) Nitrate. How many grams of oxygen are produced when 35.9 g of NO2 is formed?
2 Pb(NO3)2(s) --> 2 PbO(s) + 4 NO2(g) + 1 O2(g)

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules