If there are 95 g of barium and 26.3g of fluorine in a compound, what is the percent composition?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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.

Give more examples of this type of heat transfer: