Calculate the partial pressure of oxygen in atm that a diver breathes with a heliox mixture containing 2.0% oxygen at a depth where the total pressure is 8.8 atm. Report answer to 2 sig figs.

What is the smallest component or the most basic building block of any element ? a. an atom, b.a compound c.gas d.element

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

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.