How much pressure is required to compress a 1 L volume of air at 1 atm pressure to 0.5 L? Provide an answer with values to the hundredths place (two spaces past the decimal). atm

How many neutrons does a atom of cobalt have?

37.0 °c = °f (human body normal temperature)

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?