Spectrophotometry is one of the most widely used methods to determine the of protein (or nucleic acid) present in a given solution by measuring the amount of light of a that is absorbed by that solution.

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Areaction in which products can react to re-form reactants is

Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?