PLEASE HELP A compound has the following percent composition: C=40%, H=6.67 %, 0= 53.3%. Its molecular weight is 300 g. Derive the
molecular formula.

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

Displacement is the slope of a velocity vs. time graph a. true b. false

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?