A sample of air was collected on a day when the total atmosphere pressure was 795 mmHg. The sample contained only oxygen and nitrogen gas. If the nitrogen
in the sample had a pressure of 115 mmHg, how much pressure did the oxygen
have?
O 680 mm Hg
O 474 mmHg
O 913 mmHg
O 6.93 mmHg
O Other

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable