What is the approximate frequency of a photon having an energy 5 x 10-243?
(h= 6.6 x 10 -343•s)

What is the value of keq for the reaction expressed in scientific notation?

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.