How many moles are in the following:
1.29 x 1024 hydrogen atoms in HF

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

D5w is shorthand for a 5% glucose rehydration fluid used in ivs. the doctor orders 1200 ml d5w@ 30 gtts/min. you have an iv tube that delivers 18 gtts/cc. how many hours will it take for the 1200 cc bottle to infuse?

What is true according to the second law of thermodynamics