Propanol has a normal boiling point of 97.8°c. at 400 torr, it has a boiling point of 82.0°c. what is the heat of vaporization? 24.9 kj/mol38.7 kj/mol12.3 kj/mol44.4 kj/mol52.7 kj/mol

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 type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.