Explain why rubbing alcohol warmed to body temperature still feels cold when applied to your skin.

How will the emission of an alpha particle affect the atomic number of an atom

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.