1. 33 grams of Calcium Sulfate reacts with 28 grams of Aluminum Phosphate to form Calcium phosphate and Aluminum Sulfate Write balanced equation here

Consider this initial-rate data at a certain temperature for the reaction described by

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

What metric units would you use to measure the thickness of a key