What pressure, in mmHg, is exerted by 0.757 moles of a gas in a 3.5L container at 25oC? Use Ideal Gas Law

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.

Choose all the answers that apply. fluorine (f) has an atomic number of 9 and an atomic weight of 18.99. fluorine has a. 9 protons b. 10 neutrons c. 18 electrons d. an atomic mass of 19 e. at least one isotope

Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are