Molecules that differ in configuration CANNOT be: a. Stereoisomers b. Cis-trans isomers c. Chiral centers that are mirror images of each other d. Enantiomers e. Chiral centers that can be interchanged by rotation of a single bond

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

What atom has the largest atomic radius