Assignment Active Describing the Benefits of Experim Why are experimental investigations the best type of scientific investigation to demonstrate cause-and-effect relationships?

Particles vibrate in a rigid structure and do not move relative to their neighbors.

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

Identify the correct mole ratio for each substance. sodium chloride (nacl) na: cl = 1: ammonium nitrate (nhno) h: o = 4: