Jeff and jill go canoeing. while reaching to feed a duck, the boat flips. jeff and jill blow up their inflatable life preservers and then put them on. as they wait for the rescue squad, they calculate how much nitrogen is in each life preserver. they estimate that the volume is 14 l, pressurized to 1.1 atm at 25°c. the air used for inflation is 80% nitrogen by volume and 20% oxygen by volume. give the amount of nitrogen gas. answer in units of grams.

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

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159