If a gas is cooled from 231.0 K to 315 K and the volume is kept constant what final pressure would result if the original pressure was 621 mm Hg?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

How have the greenhouse gasses increased from the year 2000 to 2018

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.