Magnesium (Mg) reacts with oxygen gas (O2) to produce magnesium oxide (MgO). What amount of magnesium is required to react completely with 2.2 x 10-2 mol of
oxygen?

What is the formula for the molecular compound nitrogen monoxide

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

Why is the bottom layer of a trophic pyrimid the