If I have a 50 liter container that holds 45 moles of gas at a temperature of 473k, what is the pressure inside the container ?

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

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.

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.