Hexane, 1-hexene, cyclohexane, and benzene each have six carbon atoms. What is the difference between these hydrocarbons? Use the words aliphatic aromatic saturated and unsaturated to help explain your answer.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation