What would be the wavelength of radiation emitted from a hydrogen atom when an electron moves from the n=3 to n=1 energy level? In what region of the spectrum does this radiation lie?

The density of glycerin is 1.26grams/centimeter cubed . how many is this? use the conversion rates of and . express your answer to the correct number of significant figures.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present