Determine the number of subatomic particles in bromine-35.

What type of reaction is zn + cucl2 → cu + zncl2?

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

How does concentration affect reaction rate