Light travels from acetone (n=1.36) into methylene iodide (n=1.74). If the initial angle was 37.5 degrees, what is the angle of refraction? A.56 degrees

B.28 degrees

C.42 degrees

D.35 degrees

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.

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?