How many moles of gas are there in a 45.0 l container at 25.0°c and 500.0 mm hg?

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Why is the structure of molecule important to its function?

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.