A contains three cases oxycen, bellum, and nitrogen. If the partial pressures of the three gases in the tank are of N 2 and atm He the total pressure inside the tank? Round to 2 places

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?