Light with wavelength 503 nm passes through crystalline sodium chloride. (The index of refraction of sodium chloride is 1.544.) (a) Find the speed of light in this medium. v = m/s
(b) Find the wavelength of the light. λn = nm
(c) Find the frequency of the light. f = Hz

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

If a simple machine reduces the strength of a force, what must be increased?