how many moles of carbon, hydrogen, and oxygen are present in a 100-g sample of ascorbic acid? use the periodic table as needed.

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?