Aweather balloon is inflated to a volume of 2.2×10^5l with 37.4g of helium. what is the density of helium in grams per liter?

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Why is retrograde motion an apparent motion