If I have neon gas in a flexible 500 mL container at 20 C and I maintain the pressure of my container throughout any changes, what temperature would my neon be, in degrees Celcius, if my container expanded to 2.1 L?

What happens to isotopes that are unstable?

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?