A beam of light passes from one medium into the air (second medium). Angle1 (angle of incidence) is 30°. Angle 2 (angle of refraction) is 48°. Calculate the refractive index of the original medium. (ROUND TO THE NEAREST HUNDREDTH)

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+