In an experiment, 0.270 g of aluminum reacts to yield 0.510 g of aluminum oxide. Using the conservation of mass law, predict the mass of reacting oxygen gas. 4 Al(s) + 3 O2(g) 2 Al2O3(s)

Classify this reaction: 2al+n2-> aln.

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 are the chemical names of these compounds? ke: mg3n2: reset next