Explain how a process of fractional sublimatiom might be applied to a mixture of two substances which sublime closely together.

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange